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Thermo Scientific EA IsoLink IRMS System Operating Manual

Thermo Scientific EA IsoLink IRMS System Operating Manual

Including the flash irms elemental analyzer
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EA IsoLink IRMS System
for CNSOH
Including the Flash IRMS Elemental Analyzer
Operating Manual
31707010
Revision B
December 2016

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Summary of Contents for Thermo Scientific EA IsoLink IRMS System

  • Page 1 EA IsoLink IRMS System for CNSOH Including the Flash IRMS Elemental Analyzer Operating Manual 31707010 Revision B December 2016...
  • Page 3 EA IsoLink IRMS System for CNSOH Including the Flash IRMS Elemental Analyzer Operating Manual 31707010 Revision B December 2016...
  • Page 4 © 2016 Thermo Fisher Scientific Inc. All rights reserved. Thermo Scientific™ EA IsoLink™ IRMS System for CNSOH, Thermo Scientific™ Isodat™ Software Suite, EagerSmart™ Data Handling and Thermo Scientific™ AI 1310/AS 1310 Autosamplers are trademarks of Thermo Fisher Scientific Inc., and its subsidiaries.
  • Page 5 Reader’s Survey EA IsoLink IRMS System for CNSOH, PN 31707010, Revision B Strongly Strongly Agree Neutral Disagree Agree Disagree The manual is well organized. The manual is clearly written. The manual contains all the information I need. The instructions are easy to follow.
  • Page 7 Declaration Manufacturer: Thermo Fisher Scientific Thermo Fisher Scientific is the manufacturer of the instrument described in this manual and, as such, is responsible for the instrument safety, reliability and performance only if: • installation • re-calibration • changes and repairs have been carried out by authorized personnel and if: •...
  • Page 8 Notice on Lifting and Handling of Thermo Scientific Instruments For your safety, and in compliance with international regulations, the physical handling of this Thermo Fisher Scientific instrument requires a team effort to lift and/or move the instrument.
  • Page 9 WEEE Directive 2012/19/EU Thermo Fisher Scientific is registered with B2B Compliance (B2Bcompliance.org.uk) in the UK and with the European Recycling Platform (ERP-recycling.org) in all other countries of the European Union and in Norway. If this product is located in Europe and you want to participate in the Thermo Fisher Scientific Business-to-Business (B2B) Recycling Program, send an email request to weee.recycle@thermofisher.com with the following information:...
  • Page 10 Directive DEEE 2012/19/EU Thermo Fisher Scientific s'est associé avec une ou plusieurs sociétés de recyclage dans chaque état membre de l’Union Européenne et ce produit devrait être collecté ou recyclé par celle(s)-ci. Pour davantage d'informations, rendez-vous sur la page www.thermoscientific.fr/rohs. WEEE Direktive 2012/19/EU Thermo Fisher Scientific hat Vereinbarungen mit Verwertungs-/Entsorgungsfirmen in allen EU-Mitgliedsstaaten...
  • Page 11 15-Years Warranty for Furnace and Thermal Conductivity Detector Thermo Fisher Scientific provides a 15-year warranty on the combustion and reduction furnaces (P/N 354 06100) of the Flash IRMS Elemental Analyzer. The combustion and reduction furnaces are assembled using the highest quality materials and operationally tested.

  • Page 13: Table Of Contents

    Chapter 1 Getting Familiar with your EA IsoLink IRMS System for CNSOH ... . . 1 Technical Features ..........2 Instrument Configurations .
  • Page 14 The Ramped GC Oven ......... . . 50 EA IsoLink IRMS System for CNSOH Operating Manual...
  • Page 15 Chapter 6 Using EA IsoLink IRMS System for CNSOH ....... 83 Introduction .
  • Page 16 View Sample Being Acquired........149 Configuring EagerSmart Data Handling Software ..... . 150 EA IsoLink IRMS System for CNSOH Operating Manual Thermo Scientific...
  • Page 17 Same Time ..........152 Thermo Scientific EA IsoLink IRMS System for CNSOH Operating Manual xvii...

  • Page 19: Preface

    Preface This manual contains detailed information for the use of the Thermo Scientific™ EA IsoLink™ IRMS System for CNSOH. Contents • About Your System • Power Rating • Contacting Us • Safety Alerts and Important Information • Instrument Markings and Symbols •...

  • Page 20: Power Rating

    A WARNING is intended to prevent improper actions that could cause personal injury. A CAUTION is intended to prevent improper actions that might cause personal injury and/or instrument damage. You find the following safety symbols on your instrument or in this guide: EA IsoLink IRMS System for CNSOH Operating Manual Thermo Scientific...
  • Page 21 ANSI Z535 signs, this symbol indicates a possible personal injury hazard exists if the instrument is improperly used or if unsafe actions occur. This symbol and another appropriate safety symbol alerts you to an imminent or potential hazard that could cause personal injury. Thermo Scientific EA IsoLink IRMS System for CNSOH Operating Manual...

  • Page 22: Instrument Markings And Symbols

    Instrument Markings and Symbols The following table explains the symbols used on Thermo Fisher Scientific instruments. Only a few of them are used on the EA IsoLink IRMS System for CNSOH IRMS System, which are annotated with an asterisk below.

  • Page 23: Environmental Conditions

    • Oxygen (O ) as gas for sample oxidation. • Gases Purity — The EA IsoLink IRMS System for CNSOH uses helium, argon, and oxygen with 99.995% minimum purity. • Maximum Pressure — The maximum pressures of the gases to supply the Flash IRMS Elemental Analyzer is 700 kPa (7 bar).

  • Page 24: Gases Precautions

    Carbon dioxide can cause nausea, dizziness, headache, mental confusion, increased blood pressure, and increased respiratory rate. If the gas concentration reaches 10% or more, suffocation and death can occur within minutes. xxiv EA IsoLink IRMS System for CNSOH Operating Manual Thermo Scientific...

  • Page 25: Precaution For Carbon Monoxide

    WARNING Do not open the furnace compartment during operation due to the very high temperatures reached during operation. The protecting plate should only be removed when the temperature of the furnace is near that of room temperature. Thermo Scientific EA IsoLink IRMS System for CNSOH Operating Manual...

  • Page 26: Hazardous Chemical

    Hazardous Chemical WARNING Samples, consumables, reactors and filters filling materials might contain toxic, carcinogenic, mutagenic, or corrosive/irritant chemicals. Avoid exposure to potentially harmful materials. Always wear protective clothing, gloves, mask, and safety glasses when you handle consumables, reactors and filters filling materials and during the cleaning of the MAS Plus’s piston and the remotion of the ashes from the crucible when used.

  • Page 27: Training

    • Gloves — For handling chemical compounds, Thermo Fisher Scientific recommends the following gloves: white nitrile clean room gloves (Fisher Scientific P/N 19-120-2947B [size medium] or P/N19-120-2947C [size large]; Thermo Scientific P/N23827-0008 [size medium] or P/N 23827-0009 [size large]). For handling hot objects, gloves made of heat-resistant materials (for leather) should be available.

  • Page 29: Getting Familiar With Your Ea Isolink Irms System For Cnsoh

    IRMS System for CNSOH. Here, a detailed description of the instrument’s components is provided. The EA IsoLink IRMS System includes the Flash IRMS Elemental Analyzer, the Thermo Scientific™ ConFlo IV Universal Interface and a Thermo Scientific Isotope Ratio Mass Spectrometer.

  • Page 30: Technical Features

    Software Requirements Thermo Scientific Isotope Ratio Mass Spectrometer series require the use of the Isodat Software Suite. In most cases the installation of Isodat Software Suite is sufficient to operate the EA IsoLink IRMS System for CNSOH. See “Isodat Software Suite”...

  • Page 31: Instrument Basics

    Getting Familiar with your EA IsoLink IRMS System for CNSOH Instrument Basics Table 3. Minimum Requirements for Personal Computer Components Description Computer Any PC can be used, including laptop computer Operating System: Windows® 2000 / XP* / Vista / 7* / 8...
  • Page 32 25 mm OD (Macro Reactor) Note The EA IsoLink IRMS System for CNSOH comes standardized for a 18 mm OD reactor. For 25 mm reactor tubes the MAS Plus and the top of the EA must be modified.

  • Page 33: Safety Information

    (double or reinforced) than that of the EA IsoLink IRMS System for CNSOH. The analyzer operation requires the use of chemical substances having different hazard specifications.

  • Page 34: Labels Location On The Instrument

    Labels Location on the Instrument The following illustrations show the location of the safety labels attached on the instrument. Figure 2. EA IsoLink IRMS System for CNSOH: Analyzer Model, Serial Number and Electrical Data Analyzer Model, Serial Number and Electrical Data Label Figure 3.

  • Page 35: Use Of Gases

    • Sulfur Dioxide (SO ) as standard gas [CAS number 7446-09-5] Gas Purity The EA IsoLink IRMS System for CNSOH requires the use of ultra-high purity gas chromatography grade (99.999%) gases. Maximum Pressure The maximum pressure of the Elemental Analyzer gas supplies is 700 kPa (7 bar).

  • Page 36: Nominal Pressure

    Getting Familiar with your EA IsoLink IRMS System for CNSOH Use of Gases Nominal Pressure The nominal pressure of the Flash IRMS EA gas supplies are: • 250-300 kPa (2.5-3 bar) for He • 250-300 kPa (2.5-3) for O Note For the nominal pressure of the gases used by ConFlo II/III/IV and IRMS Delta models (TF Bremen manufacturing), refer to the relevant manuals.

  • Page 37: Using Hydrogen

    Getting Familiar with your EA IsoLink IRMS System for CNSOH Use of Gases Sulfur dioxide is s colorless gas with a distinctive pungent odor that will alert the user of a leak in ample time before irritation can occur. It is somewhat denser then air and will sink to low-lying spaces.
  • Page 38 Getting Familiar with your EA IsoLink IRMS System for CNSOH Use of Gases Referring to Figure 6, proceed as follows: 1. After mounting the reducing valve to the gas cylinder both “on/off-valve” and “reducing-valve” must be open. 2. Open the main valve for two or three seconds to let the gas purge the whole valve system.

  • Page 39: Front Panel

    Getting Familiar with your EA IsoLink IRMS System for CNSOH Front Panel Front Panel The front panel of the Elemental Analyzer is shown in Figure Figure 7. Instrument Front Panel LED Status Panel Access to He , Isothermal GC Oven and...

  • Page 40: Back Panel

    Getting Familiar with your EA IsoLink IRMS System for CNSOH Back Panel Back Panel The back panel of the Elemental Analyzer is shown in Figure Figure 9. Instrument Back Panel Autosamplers Cooling Fan Connections Panel Transformer Compartment On the back panel, you will find: •...

  • Page 41: Top Panel

    Getting Familiar with your EA IsoLink IRMS System for CNSOH Top Panel Top Panel The top panel of the Elemental Analyzer is shown in Figure Figure 11. Instrument Top Panel Gas Connections Fittings for Reactors Autosamplers The top panel comprises: •...
  • Page 42 Getting Familiar with your EA IsoLink IRMS System for CNSOH Furnaces Compartment The furnaces are accessible by removing the protecting plate. See Figure Figure 13. Furnaces Compartment Protection Plate Left Furnace for high temperature conversion analysis (OH) Right Furnace for combustion analysis (NCS)
  • Page 43 Getting Familiar with your EA IsoLink IRMS System for CNSOH Furnaces Compartment  Instruction for operation of the furnace The furnace temperature is monitored by a thermocouple located inside the furnace. The furnaces are cooled when required by the operator or if there is a safety cut-off. The cooling time depends on the operating temperature and the room temperature.

  • Page 44: Oven Compartment

    Getting Familiar with your EA IsoLink IRMS System for CNSOH Oven Compartment Oven Compartment The oven compartment is located behind the right front door of the instrument and can be accessed by opening the front door. Figure 14 shows the inside of the oven compartment.
  • Page 45 Getting Familiar with your EA IsoLink IRMS System for CNSOH Oven Compartment  To access to the thermostatic chamber 1. Open the right side door, which can be moved 180°. 2. To access the TCD and GC Columns, first remove the adsorption filters from the fastening clips.

  • Page 46: Detection System Description

    Getting Familiar with your EA IsoLink IRMS System for CNSOH Detection System Description Detection System Description It consists of a thermal conductivity detector (TCD) sensitive to any substance with thermal conductivity other than that of the carrier gas used. The detector consists of a stainless steel block provided with two pairs of filaments (generally of tungsten/rhenium) having the same electrical resistance.

  • Page 47: Low Voltage Compartment

    Getting Familiar with your EA IsoLink IRMS System for CNSOH Electrical Compartment Figure 18. Electrical Compartment Internal View Low Voltage Compartment It contains the electronic boards to operate and control the instrument. These boards are interlocked through a mother board.

  • Page 48: Main Voltage Compartment

    Getting Familiar with your EA IsoLink IRMS System for CNSOH Electrical Compartment Table 4. Description of the Function of the Electronic Boards (Sheet 2 of 2) Board Function TCR 1112 Operates and controls the furnaces thermoregulation. PWR 1112 Receives voltage supplies from the TRF 1112 transformers board.

  • Page 49: Connections Panel

    Getting Familiar with your EA IsoLink IRMS System for CNSOH Connections Panel Connections Panel The connections panel is shown in Figure Figure 19. View of the Connections Panel Interface Power Supply Gas Inlets The connections panel is subdivided into the following connecting areas: interface, power supply, and gases supply.

  • Page 50: Power Supply Area

    Getting Familiar with your EA IsoLink IRMS System for CNSOH Connections Panel • A 15-pin connector marked He for the control of helium management device. Power Supply Area The power supply area comprises the following components. See Figure Figure 21. Power Supply Are •...

  • Page 51: Transformers Compartment

    Getting Familiar with your EA IsoLink IRMS System for CNSOH Transformers Compartment Table 8. Pressure Units Conversion To convert Into Multiply By: 0.01 0.145 14.51 psig 6.89476 0.0689476 Transformers Compartment Located in the right bottom part of the instrument, the compartment of the transformer is accessible firstly by removing the back panel of the instrument, then by removing the relevant protection plate.
  • Page 52 Getting Familiar with your EA IsoLink IRMS System for CNSOH Transformers Compartment The compartment contains the electrical devices for powering the furnaces and controlling their temperature. WARNING DO NOT OPEN the transformers compartment, there are no user serviceable parts inside. Any operation inside the compartment must be carried out only by authorized and trained Thermo Fisher Scientific personnel.

  • Page 53: Devices For The Furnaces Control

    Getting Familiar with your EA IsoLink IRMS System for CNSOH Status Panel Devices for the Furnaces Control Table 9 describes the function of each device: Table 9. Description of the Devices Controlling the Furnaces Device Function LTA-1 LEFT They read the values of the thermocouple present in the relevant furnace and LTA-1 RIGHT send the signals to the TCR 1112 board.

  • Page 54: Autosamplers

    TCD is switched off. Autosamplers The EA IsoLink IRMS System for CNSOH can be configured with the following autosamplers: MAS Plus for solid samples, and AI 1310/AS 1310 for liquid samples. MAS Plus Autosampler for Solid Samples It is the standard autosampler for solid samples mounted directly on the connecting fitting of the concerned channel provided with the proper reactor tube.

  • Page 55: Ai 1310 /As 1310 Autosampler For Liquid Samples

    Seat marked 0 (zero) from 64 to 94 Seat marked 0 (zero) from 95 to 125 Note For installing the MAS Plus autosampler on your EA IsoLink IRMS System for CNSOH see Chapter 4, “Installing MAS Plus Autosampler.” AI 1310 /AS 1310 Autosampler for Liquid Samples These are optional autosamplers for the analysis of liquid samples.

  • Page 56: Ramped Gc Oven

    Getting Familiar with your EA IsoLink IRMS System for CNSOH Ramped GC Oven Ramped GC Oven The Ramped GC Module for the temperature control of the chromatographic column. Figure 28 shows the Ramped GC Oven installed on the back of the Flash IRMS EA.
  • Page 57 Getting Familiar with your EA IsoLink IRMS System for CNSOH Ramped GC Oven Figure 29 shows the components of the Ramped GC Oven. Figure 29. Components of the Ramped GC Oven The Ramped GC Oven includes the following components. See the numbering in the images in Figure 1.
  • Page 58 Getting Familiar with your EA IsoLink IRMS System for CNSOH Ramped GC Oven 6. Gas inlet/outlet ports for the connection of the carrier gas. 7. Cooling fan. CAUTION For installing, connecting and operating the Ramped GC Oven refer to the Ramped GC Oven Operating Manual.

  • Page 59: Analytical Principles

    The additional bottom feed connector for the pyrolysis side extends the sample throughput to more than 400 solid samples without maintenance. This section describes the new features and software setup of the EA IsoLink IRMS System for CNSOH, and shall be seen in addition to the existing: •...

  • Page 60: Pneumatic Circuit

    For recent service packs please contact your local Thermo Fisher Scientific service office. Pneumatic Circuit This section describes the pneumatic circuits of the EA IsoLink IRMS System for CNSOH in the combustion NCS configuration and high temperature mode OH configuration. See...
  • Page 61 Analytical Principles Pneumatic Circuit Figure 30. EA IsoLink IRMS System for CNSOH in Combustion NCS Analysis Pneumatic Diagram EVP1 Thermo Scientific EA IsoLink IRMS System for CNSOH Operating Manual...
  • Page 62 Analytical Principles Pneumatic Circuit Figure 31. EA IsoLink IRMS System for CNSOH in Pyrolysis OH Analysis Pneumatic Diagram EVP1 EA IsoLink IRMS System for CNSOH Operating Manual Thermo Scientific...

  • Page 63: Pressure Regulators

    Figure 33. Pressure Regulators PRV1 PRV2 The pressure regulators are common in all the configurations of the EA IsoLink IRMS System for CNSOH. The regulators consist of the following components. See Table Table 13. Pressure Regulators Pneumatic Diagram (Sheet 1 of 2)

  • Page 64: Electronic Flow Controller (Efc-T) Module

    Oxygen pressure regulator Oxygen pressure gauge Electronic Flow Controller (EFC-t) Module The EFC-t module is common in all the configurations of the EA IsoLink IRMS System for CNSOH. The module is schematically shown in Figure 34, and consists of the following components.

  • Page 65: Automatic Switching Valve Block (Asv)

    Reference Gas Carrier Gas Purge HO Purge NCS AUTOMATIC AUTOMATIC SWITCHING BLOCK SWITCHING BLOCK Purge HO Purge HO Purge NCS Purge NCS HIGH TEMPERATURE MODE COMBUSTION NCS PYROLYSIS, O, H EFC-t Thermo Scientific EA IsoLink IRMS System for CNSOH Operating Manual...
  • Page 66 In pyrolysis O,H analysis controls the reference gas flow to the ConFlow. In combustion NCS analysis controls the purge gas flow to the right autosampler. In pyrolysis O,H analysis controls the purge gas flow to the left autosampler. EA IsoLink IRMS System for CNSOH Operating Manual Thermo Scientific...

  • Page 67: Helium Management

    2/3 of the He flow back into the system for purging. He module works through a valve block which is installed underneath the isothermal GC oven of the EA). See Figure Figure 37. HeM Valve Block Installed Needle Valves Valve Block Thermo Scientific EA IsoLink IRMS System for CNSOH Operating Manual...
  • Page 68 50 mL/min (He save mode). The reference flow is kept at its set value (10 - 70 mL/min) but the contribution from the split is stopped. This status is maintained until the next analysis is started. EA IsoLink IRMS System for CNSOH Operating Manual Thermo Scientific...
  • Page 69 Note The flow during He Save Mode must be identical to the split flow through the GC column during Analysis Mode. This is mandatory to maintain a constant TCD signal. Thermo Scientific EA IsoLink IRMS System for CNSOH Operating Manual...
  • Page 70 This chapter is about the procedure to change the settings. Note Any changes may have influence on the system performance and should be done only when necessary and after reading this manual. EA IsoLink IRMS System for CNSOH Operating Manual Thermo Scientific...
  • Page 71 EA. It should read 50 mL/min (±2 mL/min). CAUTION The needle valves are very sensitive. It is best if the fixing nut is already fixed before you use the screwdriver. This allows a finer adjustment. Thermo Scientific EA IsoLink IRMS System for CNSOH Operating Manual...

  • Page 72: Preparation Of Reactors And Adsorption Filter

    • Reactors — The reactor is a quartz tube having a conical bottom end. There are two different sizes available: − quartz glass reactor of 18 mm OD EA IsoLink IRMS System for CNSOH Operating Manual Thermo Scientific...
  • Page 73 25 mm OD (Macro Reactor) Note The EA IsoLink IRMS System for CN/OH comes standardized for a 18 mm OD quartz glass reactor. For 25 mm reactor tubes the MAS Plus and the top of the EA must be modified.

  • Page 74: H And O Configurations

    “Preparation of Reactors and Adsorption Filter” page 44. When using macro reactors (25 mm D) then use the same packing instruction. EA IsoLink IRMS System for CNSOH Operating Manual Thermo Scientific...
  • Page 75 Quartz Wool Conical Bottom End 2. Plug with your finger the mouth of the reactor conical end. Gently press the quartz wool using the rod provided, as shown in Figure Thermo Scientific EA IsoLink IRMS System for CNSOH Operating Manual...
  • Page 76 Figure Figure 46. Introduction of Quartz Wool as Last Layer of the Sequence Quartz Wool 6. Delicately press the quartz wool using the rod provided. EA IsoLink IRMS System for CNSOH Operating Manual Thermo Scientific...

  • Page 77: Preparing The Adsorption Filter

    2. While plugging the tube mouth with your hand, press gently the quartz wool using the rod provided. 3. Screw the nut complete with its seal onto the threaded mouth, as shown in Figure Thermo Scientific EA IsoLink IRMS System for CNSOH Operating Manual...

  • Page 78: The Ramped Gc Oven

    CO peaks. After the CO peak a rapid increase of the temperature accelerates the elution of the SO Detailed information can be found in the Ramped GC Oven Operating Manual. EA IsoLink IRMS System for CNSOH Operating Manual Thermo Scientific...

  • Page 79: Installing Flash Irms Elemental Analyzer

    CNSOH, and for the electrical requirements. Who Performs the Installation Your EA IsoLink IRMS System for CNSOH will be installed by an authorized Thermo Fisher Scientific engineer (FSE), who will verify the instrument operation. If, for any reason, your system is not installed by a Thermo Fisher Scientific FSE, you should ensure that the following operations are performed.

  • Page 80: Unpacking The Instrument

    Do not return any equipment to the dealer or the factory without prior Thermo Fisher Scientific authorization. Placing the Instrument Place the EA IsoLink IRMS System for CNSOH on the workbench, allowing free access to electrical connections and gas lines. LIFTING HAZARD The Flash IRMS Elemental Analyzer weighs approximately 65 kg (145 lb) when unpacked.

  • Page 81: Making The Gas Supply Plumbing Connections

    This will clear them of any debris from the cut. You should also purge the completely assembled gas lines before you connect the gas supply to the EA IsoLink IRMS System for CNSOH. Use the following procedure to purge the gas lines: ...

  • Page 82: Connecting The Gas Lines

    Poor grounding represents a danger for the operator and may seriously affect the instrument performance. Do not connect the EA IsoLink IRMS System for CNSOH to lines feeding devices of a heavy duty nature, such as motors, UV lamps, refrigerators and other devices that can generate disturbances. If...

  • Page 83: Power Connections

    9-pin connector marked RS 232 on the instrument connection panel. If your computer is equipped with USB ports, a Serial-to-USB adapter is required for properly connecting the cable. 3. Plug in the instrument and computer power cables. Thermo Scientific EA IsoLink IRMS System for CNSOH Operating Manual...

  • Page 84: Installing The Reactors Into The Furnaces

    3. If present, remove the protection cap from the coupling union of each channel. a. By using a 32-mm wrench, unscrew the reactor retaining nut. Remove the protection cap, the washer, and the conical O-ring as shown in Figure EA IsoLink IRMS System for CNSOH Operating Manual Thermo Scientific...
  • Page 85 The washer and the conical O-ring removed are used for the installation of the reactor. 4. Remove the MAS Plus autosampler, if installed, by manually undoing its fixing nut. See Figure Thermo Scientific EA IsoLink IRMS System for CNSOH Operating Manual...
  • Page 86 Use your other hand to carefully slip it over the o-rings of the BFC while keeping the ceramic tube up. Hold it tight while removing the bottle brush. See Figure Figure EA IsoLink IRMS System for CNSOH Operating Manual Thermo Scientific...
  • Page 87 4. Slowly insert the granules into the glassy carbon tube from top. Make sure no granule blocks the tube. Check the height with the mark on the graphite crucible remover tool by placing the crucible Thermo Scientific EA IsoLink IRMS System for CNSOH Operating Manual...
  • Page 88 Coupling union fixing tool 32-mm wrench 1. Carefully introduce and guide the reactor into the furnace until the conical O-ring on the top of the reactor touches the furnace fitting. See Figure EA IsoLink IRMS System for CNSOH Operating Manual Thermo Scientific...
  • Page 89 Figure 60. Introduction of the Combustion Reactor Into the Right Furnace (2) Retaining Nut Conical O-ring Washer 3. Insert the reactor end into the coupling union located on the base of the furnace compartment. Figure Thermo Scientific EA IsoLink IRMS System for CNSOH Operating Manual...
  • Page 90 6. To complete the operation manually screw the fixing nut of the autosampler. See Figure Figure 63. Reinstall MAS Plus Autosampler 7. Close the furnace compartment with the protecting plate and the front cover. EA IsoLink IRMS System for CNSOH Operating Manual Thermo Scientific...

  • Page 91: Setting Pressure And Flow Parameters

    NCS Separation Column during H-O determination in order to avoid damage to the separation column in heated condition. This is the case in particular for liquid injections when no purge of the autosampler is required. Thermo Scientific EA IsoLink IRMS System for CNSOH Operating Manual...

  • Page 92: Installing Autosampler

    EagerSmart Data Handling Software version must be installed. Please see the section Chapter 9, “Running the Flash IRMS as Stand-alone Instrument,” and read the Technical Note. EA IsoLink IRMS System for CNSOH Operating Manual Thermo Scientific...

  • Page 93: Installing Mas Plus Autosampler

    • A 32-position sample-holding tray numbered 1 to 32. It is provided with a reference pin to be introduced into the seat marked 1(one) which has a locating mark. See Figure Thermo Scientific EA IsoLink IRMS System for CNSOH Operating Manual...
  • Page 94 Any sample has to place in the locating mark position. The correct alignment of the locating mark is important for the installation of the sample tray on the MAS Plus autosampler. Figure EA IsoLink IRMS System for CNSOH Operating Manual Thermo Scientific...

  • Page 95: Mas Plus Autosampler Installation

    Before Sampling Flash Combustion MAS Plus Autosampler Installation WARNING Before starting, make sure that the EA IsoLink IRMS System for CNSOH is powered off and that the reactors required for your analyses are installed in their corresponding furnaces.  To install a MAS Plus autosampler...
  • Page 96 Place the protection cover over the sample tray with the surface marked “Side up” turned towards you. EA IsoLink IRMS System for CNSOH Operating Manual Thermo Scientific...
  • Page 97 A complete deaeration of the area where samples are housed is only possible if the cover is in place. Pay attention not to invert the cover; the surface marked “Side-up” must be turned towards you. Thermo Scientific EA IsoLink IRMS System for CNSOH Operating Manual...

  • Page 99: Installing Ai 1310/As 1310 Autosampler

    100-240 Vac; 50-60 Hz — output 24 Vdc; 3 A - 3.75 A WARNING YOU MUST ONLY USE THE PORTABLE EXTERNAL POWER SUPPLY FURNISHED WITH THE INSTRUMENT BY THERMO FISHER SCIENTIFIC. Thermo Scientific EA IsoLink IRMS System for CNSOH Operating Manual...

  • Page 100: Lift And Carry The Sampling Unit

    Figure 68. How to Lift and Carry the Sampling Unit Installing the Direct Injection Device for Flash IRMS Elemental Analyzer This device is installed in replacement of the MAS Plus autosampler, when present. Figure Figure 69. Direct Injection Device EA IsoLink IRMS System for CNSOH Operating Manual Thermo Scientific...

  • Page 101: Installing The Sampler Support On The Flash Irms Elemental Analyzer

    Installing the Sampler Support on the Flash IRMS Elemental Analyzer The AI 1310/AS 1310 sampling system is installed on the Flash IRMS Elemental Analyzer by using the appropriate support provided. See Figure Thermo Scientific EA IsoLink IRMS System for CNSOH Operating Manual...
  • Page 102 Figure 72. Plastic Caps Removal b. Mount and fix the support bracket on the top panel of the Flash IRMS Elemental Analyzer by using the provided fixing screws. See Figure EA IsoLink IRMS System for CNSOH Operating Manual Thermo Scientific...
  • Page 103 Hold the spacers in position with their flat side toward the inside, then place the sampler support on the support bracket. d. Guide the two fixing screws located on the external spacers into the corresponding fixing holes. e. Loosely tighten the screws. Thermo Scientific EA IsoLink IRMS System for CNSOH Operating Manual...

  • Page 104: Installing The Ai 1310/As 1310 On The Flash Irms Elemental Analyzer

    Installing the AI 1310/AS 1310 on the Flash IRMS Elemental Analyzer This section provides the instruction for installing the AI 1310/AS 1310 on the Flash IRMS Elemental Analyzer. See Figure Figure 76. AI 1310/AS 1310 Installation AI 1310 AS 1310 EA IsoLink IRMS System for CNSOH Operating Manual Thermo Scientific...

  • Page 105: Installation Of The Sampling Unit

    Figure 77. Installation of the Sampling Unit AI 1310 AS 1310 Hole for the introduction of the guide pivot 2. Open the safety door and remove the protection of the injection assembly. See Figure Thermo Scientific EA IsoLink IRMS System for CNSOH Operating Manual...
  • Page 106 3. Insert the centering plate into its seat located in the right side section of the sampling unit base paying attention that the guide hole, present on the arm of the centering plate, correctly fits the injector nut. See Figure Figure 79. Centering Plate Injection Nut Centering Plate EA IsoLink IRMS System for CNSOH Operating Manual Thermo Scientific...

  • Page 107: Installing The Syringe

    The standard syringes have 10 μL and 250 μL capacity with a 50 mm needle. It is also possible to install 50 μL and 100 μL syringes with needles of 50 mm. Thermo Scientific EA IsoLink IRMS System for CNSOH Operating Manual...
  • Page 108 2. Insert the syringe needle into the vial capture device. See Figure Figure 82. Syringe Installation (1) Plunger Head Guide Flange Guide Plunger Head Plunger Flange Syringe Body Syringe Needle Vial Capture Device Syringe Body Seat EA IsoLink IRMS System for CNSOH Operating Manual Thermo Scientific...

  • Page 109: Electrical Connections

    3. Only for AS 1310, connect the 15-pin female connector of the cable, coming from the support plate of the 105-position sample tray, to the connector marked TRAY located on the back side of the sampling unit. Thermo Scientific EA IsoLink IRMS System for CNSOH Operating Manual...

  • Page 110: Starting-Up

    • Acknowledgment of the installed sample tray • Calculation of the syringe zero Note The self-test routine is automatically carried out every time the safety door of the turret is closed. EA IsoLink IRMS System for CNSOH Operating Manual Thermo Scientific...

  • Page 111: Using Ea Isolink Irms System For Cnsoh

    This chapter provides instruction for using the EA IsoLink IRMS System for CNSOH. Introduction The EA IsoLink IRMS System for CNSOH is an enhanced elemental analyzer for O and H as well as N, C, and S isotope analyses and element analysis. It is equipped with an automatic switching valve (ASV) that allows fast switching from NCS analysis (combustion) to the OH analysis (high temperature conversion/pyrolysis).

  • Page 112: Dual Measurement

    For the analysis of two isotopic species (hydrogen and oxygen, or nitrogen and carbon) from a single sample, an Isodat Method, which comprises both of them has to be defined. EA IsoLink IRMS System for CNSOH Operating Manual Thermo Scientific...

  • Page 113: Performing A Jump Calibration

    --> CO jump calibration proceed similarly. 1. Open Instrument Control. 2. Choose your Configuration containing ConFlo IV and EA IsoLink IRMS System for CNSOH. 3. Allow CO reference gas to enter the source. In case of an N --> CO jump calibration open CO reference gas.
  • Page 114 Jump to CO (not along hysteresis curve). e. Perform a peak center for CO in order to catch the peak. Repeat until magnet field setting is within the magnet window defined. EA IsoLink IRMS System for CNSOH Operating Manual Thermo Scientific...
  • Page 115 Using EA IsoLink IRMS System for CNSOH Performing a Jump Calibration Thermo Scientific EA IsoLink IRMS System for CNSOH Operating Manual...

  • Page 116: Creating An Isodat Method For N+C Measurement (Dual Measurement)

    — Ticking the box Disable He Save Mode will maintain the starting flow over the complete acquisition time (Analysis Mode). This mode does not switch into He Save Mode. EA IsoLink IRMS System for CNSOH Operating Manual Thermo Scientific...
  • Page 117 If the N peak does not reach background within the waiting time, the peak jump will definitely occur after the waiting time period. Thermo Scientific EA IsoLink IRMS System for CNSOH Operating Manual...
  • Page 118 Using EA IsoLink IRMS System for CNSOH Creating an Isodat Method for N+C Measurement (Dual Measurement) Figure 91. NC Method: Evaluation@N2 Figure 92. NC Method: Peak Detection@N2 Figure 93. NC Method: Printout@N2Tab EA IsoLink IRMS System for CNSOH Operating Manual Thermo Scientific...
  • Page 119 Using EA IsoLink IRMS System for CNSOH Creating an Isodat Method for N+C Measurement (Dual Measurement) Figure 94. NC Method: Evaluation@CO2 Tab Figure 95. NC Method: Peak Detection@CO2 Tab Figure 96. NC Method: Printout@CO2 Tab Thermo Scientific EA IsoLink IRMS System for CNSOH Operating Manual...

  • Page 120: Creating An Ea Method For N+C Measurement

    . The analysis time has to be reduced even further. In this case the entry Switch Gas CO can be deleted in the Time Event List of the Isodat Method. EA IsoLink IRMS System for CNSOH Operating Manual Thermo Scientific...

  • Page 121: Creating An Isodat Method For Single Mode S Measurements

    GC oven temperature is ramped earlier. For setting up an Isodat method for single mode S analysis only please refer to the Ramped GC Oven Operating Manual. Thermo Scientific EA IsoLink IRMS System for CNSOH Operating Manual...

  • Page 122: High-Temperature Conversion - Analysis Of H And O Isotopes

    Figure 102. Trap Pyrolysis Bottom Field Connector The EA IsoLink IRMS System for CNSOH is equipped with a bottom feed connector for high temperature conversion analysis, also referred to as pyrolysis. It allows high sample throughput. This connector supplies the carrier gas helium from the bottom into the reactor. The helium flows up and is redirected downwards through the glassy carbon tube where it exits at the bottom connector again.
  • Page 123 8. Slip the glassy carbon tube from the o-rings of the BFC while carefully pulling the tube with the bottle brush from top. 9. Remove o-ring, washer and nut at the bottom of the ceramic tube and take it out. Thermo Scientific EA IsoLink IRMS System for CNSOH Operating Manual...

  • Page 124: Setting Up A Ho Method

    Isodat Software Suite stops the HD acquisition. The magnet jumps to the CO configuration (defined in the Switch Gas column in the time events list, see Figure 106 page 98). Figure 104. Schematic Chromatogram of a HO Dual Measurement EA IsoLink IRMS System for CNSOH Operating Manual Thermo Scientific...

  • Page 125: Dual Measurement

    2. Click New to create a new method. 3. In the File New dialog box, double-click Method. 4. Click the tab Instrument of the new dual measurement method, see Figure 105. Thermo Scientific EA IsoLink IRMS System for CNSOH Operating Manual...
  • Page 126 7. Set the Time Events parameters for your new dual measurement method as shown in Figure 106. 8. Double-click on CO in the column Switch Gas. The Event Time is active since for example, 130s. EA IsoLink IRMS System for CNSOH Operating Manual Thermo Scientific...
  • Page 127 Figure 108. Evaluation@H2 Page of the Dual Measurement Method Note There are Evaluation pages, Peak Detection pages and Printout pages are for each, H and CO, for example, Evaluation@H2 and Evaluation@CO2. Thermo Scientific EA IsoLink IRMS System for CNSOH Operating Manual...
  • Page 128 18. Set the Advanced Parameters parameters for your dual measurement method as shown in Figure 110. 19. Select the Printout@H2 tab of your new dual measurement method, see Figure 111. Figure 111. Printout@H2 of the Dual Measurement Method EA IsoLink IRMS System for CNSOH Operating Manual Thermo Scientific...
  • Page 129 21. Set the Evaluation@CO parameters for your new dual measurement method as shown in Figure 112. 22. 3.Click the tab Peak Detection@CO, see Figure 113. Figure 113. Peak Detection@CO Page of the Dual Measurement Method Thermo Scientific EA IsoLink IRMS System for CNSOH Operating Manual...

  • Page 130: Creating An Ea Method For H+O Measurement

    The following figures show how an EA-method for a dual analysis H+O may be set up. Figure 115. HO EA Method: Instrument Temperature Note The temperature of the high-temperature conversion furnace (left furnace) may be different depending on the intended use of it. EA IsoLink IRMS System for CNSOH Operating Manual Thermo Scientific...
  • Page 131 . The analysis time has to be reduced even further. In this case the entry Switch Gas CO can be deleted in the Time Event List of the Isodat Method. Thermo Scientific EA IsoLink IRMS System for CNSOH Operating Manual...

  • Page 132: Creating A Sequence For Dual Measurement

    1. Place a sample (for example, 0.281 mg of benzoic acid) in the solids autosampler. 2. Open Acquisition. 3. Click the New button to create a new sequence.The File New dialog box opens, see Figure 117. Figure 117. Creating a New Sequence EA IsoLink IRMS System for CNSOH Operating Manual Thermo Scientific...

  • Page 133: Start Data Acquisition

    “Start Data Acquisition” page 105. Start Data Acquisition  To start the data acquisition 1. In the Sequence window, click Start to start the sequence.The Start Sequence window opens, see Figure 120. Thermo Scientific EA IsoLink IRMS System for CNSOH Operating Manual...

  • Page 134: Dual Measurement Results

    • After finishing data acquisition, the printer creates a data output sheet as defined by the Result Workshop template (*.irw) selected. The results are exported to a spreadsheet file if defined in Figure 120. EA IsoLink IRMS System for CNSOH Operating Manual Thermo Scientific...

  • Page 135: H3-Factor Determination

    H3-factor determination is based on the peak area information of a “standard gas on/off chromatogram” (*.dxf ) with standard gas pulses of different amplitudes. How to perform a H3-Factor Determination is explained in Chapter 3 of the ConFlo IV Operating Manual. Thermo Scientific EA IsoLink IRMS System for CNSOH Operating Manual...

  • Page 136: Measuring Sulfur Isotopes

    ) is added to the sample. If either the oxygen ) pressure is low or a bad catalyst is selected or the reactor has too much ash, combustion will proceed slowly. EA IsoLink IRMS System for CNSOH Operating Manual Thermo Scientific...

  • Page 137: Sulfur Measurement Kits

    . The temperature must be between 60 °C and 70 °C. It may vary with ventilation. a. Remove the backing paper from the self-adhesive heating foil. b. Paste the heating foil in the middle of the manometer’s rear side (of Ref 2). Thermo Scientific EA IsoLink IRMS System for CNSOH Operating Manual...

  • Page 138: Before Starting A Sulfur Measurement

    • The water trap is installed. 2. The special SO stainless steel (or Teflon®) GC column is installed. 3. The connection between reactor, water trap, GC column and ConFlo is made up of Teflon® tubing. EA IsoLink IRMS System for CNSOH Operating Manual Thermo Scientific...

  • Page 139: Setting For Flash Elemental Analyzer

    δ values. The Gas Configuration is specific for the particular gas and is combined with a magnet field value taken from the mass calibration of your IRMS. The ratio groups determine the reported ratios of predefined masses. Thermo Scientific EA IsoLink IRMS System for CNSOH Operating Manual...
  • Page 140 Select a Gas Configuration as Template, for example CO . In the pull-down menu, only the already existing Gas Configurations are displayed. When creating the first Gas Configuration, is displayed. c. Confirm by OK. EA IsoLink IRMS System for CNSOH Operating Manual Thermo Scientific...
  • Page 141 Delta mass spectrometers, i.e. universal triple collector. If you have a special cup configuration, the respective masses will be collected in other cups. Thermo Scientific EA IsoLink IRMS System for CNSOH Operating Manual...

  • Page 142: Starting A Sulfur Measurement

    180 mL/min Oxygen 25 mL/min Reference 20 mL/min Cycle run time 1000 s Sampling delay 10 s Oxygen Injection End 3 s (or higher, depending on sample size and sample type) EA IsoLink IRMS System for CNSOH Operating Manual Thermo Scientific...

  • Page 143: Defining An Isodat Method

    Starting a Sulfur Measurement Defining an Isodat Method Instrument Instrument Tab Figure 126. Starting a Sulfur Measurement - Time Events Figure 127. Starting a Sulfur Measurement - Time Events Tab Thermo Scientific EA IsoLink IRMS System for CNSOH Operating Manual...

  • Page 144: Events During Acquisition

    Starting a Sulfur Measurement - Peak Detection Tab Figure 129. Printout Starting a Sulfur Measurement - Printout Tab Figure 130. Events During Acquisition Figure 127 page 115 Figure 130 page 116. 1. Peak center procedure. EA IsoLink IRMS System for CNSOH Operating Manual Thermo Scientific...
  • Page 145 5. Autosampler activated by EA after a sampling delay defined in the EA method, e.g. 10 s after oxygen injection. 6. Sample peak appears approximately 100 s after Autosampler activation. 7. Acquisition stops at 400 s. Thermo Scientific EA IsoLink IRMS System for CNSOH Operating Manual...

  • Page 147: Maintenance

    Therefore in the minutes immediately following the instrument switching off, the operator must consider this risk and pay adequate attention during any maintenance operations following the use of the instrument. Thermo Scientific EA IsoLink IRMS System for CNSOH Operating Manual...

  • Page 148: Post-Analysis Operations

    See Figure 131. Figure 131. Standby option for EA Here you decide which standby properties you want to use when setting the EA in standby. • Reduced gas flows (default) EA IsoLink IRMS System for CNSOH Operating Manual Thermo Scientific...
  • Page 149 – The ConFlo is set into LF Mode. – The sample dilution is set to V1. – All reference gases are closed. – Reference dilution is set to zero. Thermo Scientific EA IsoLink IRMS System for CNSOH Operating Manual...

  • Page 150: Maintaining The Instrument

    • Periodic Maintenance — Replacement of the gas chromatographic column. The column lifetime in EA IsoLink IRMS System for CNSOH instrument is evaluated in years. Replacement of the seals of the reactors coupling unions placed on the furnace compartment base.

  • Page 151: Replacing The Filling Materials

    2. Rotate the tool exerting a slight pressure to scrape off the filling material. 3. Collect the removed filling material as shown in Figure 135. 4. Repeat steps 1 and 2 until complete elimination of the exhausted filling materials. Thermo Scientific EA IsoLink IRMS System for CNSOH Operating Manual...

  • Page 152: Ashes Removal And Crucible Cleaning

    If the crucible is made of quartz, remove the ashes by using a spatula. If the crucible is made of steel then do the following: 1. Introduce the cleaning tool into the crucible as shown in Figure 136. EA IsoLink IRMS System for CNSOH Operating Manual Thermo Scientific...

  • Page 153: Maintaining The Reactor Of The Pyrolysis Unit

    Clean or replace the graphite crucible after approximately 400 analysis, according to sample nature and samples weight. ATTENTION The use of gloves is strongly suggested. The graphite crucible is very hot after removal from the reactor. Thermo Scientific EA IsoLink IRMS System for CNSOH Operating Manual...
  • Page 154 Maintenance measures for pyrolysis unit To facilitate proper work, adhere to the described maintenance recommendations and procedures. This will also increases the life time of the pyrolysis reactor and the furnace heater. EA IsoLink IRMS System for CNSOH Operating Manual Thermo Scientific...

  • Page 155: Replacing The Gas Chromatographic Column

    1. Open the instrument right door and remove adsorption filters from their securing clips. Note According to the instrument configuration, there can be one or two adsorption filters in the detector compartment. Thermo Scientific EA IsoLink IRMS System for CNSOH Operating Manual...
  • Page 156 3. Unscrew the fittings from the column ends and remove the column from the compartment. 4. Introduce the new column and connect its ends to the fittings. 5. Re-mount the protection panel and the adsorption filters. EA IsoLink IRMS System for CNSOH Operating Manual Thermo Scientific...

  • Page 157: Maintaining The Mas Plus Autosampler

    6. In the Status window select the Special function tag, then click Step sampler tray position. The autosampler mechanism pushes the shaft forward and then ejects it. 7. Take out the shaft from the autosampler, as shown in Figure 141. Thermo Scientific EA IsoLink IRMS System for CNSOH Operating Manual...
  • Page 158 Figure 141. Removal of the Shaft 8. Eliminate possible traces of dirt from the shaft seals using a dry clean cloth. 9. Place and smear a slight layer of silicon grease on the o-ring. Do not use solvents. Figure 142 shows the shaft of the MAS Plus autosampler.
  • Page 159 3. Insert the first O-ring into the internal seat of the shaft. a. Place one of the three O-ring, with the lip turned inwards, on the conical section of the tool. Thermo Scientific EA IsoLink IRMS System for CNSOH Operating Manual...
  • Page 160 b. Move the O-ring along the tool up to reach the border. c. Move the tool on the shaft body up to reach the internal seat. d. Move and inset the O-ring into the internal seat, then remove the tool. 4.

  • Page 161: Upgrading Ea For 25 Mm Od Macro Reactor

    (P/N 35008418, provided in the MAS Plus standard outfit) into the MAS Plus. Tighten the fitting by using the 23-33 mm open-ended wrench. 4. Access the furnace compartment lifting the cover and removing the protecting plate. Furnace Compartment Protection Plate Furnace Compartment Cover Thermo Scientific EA IsoLink IRMS System for CNSOH Operating Manual...
  • Page 162 OD Reactor Sealing Adapter 7. Reinstall the protecting plate and the cover of the furnace compartment. 8. Install the macro reactor tube into the furnace and reinstall the MAS Plus. EA IsoLink IRMS System for CNSOH Operating Manual Thermo Scientific...

  • Page 163: Cleaning The Instrument

    WARNING It is your responsibility to avoid that dangerous liquids and/or materials seeping inside the EA IsoLink IRMS System for CNSOH during operation and maintenance. If you have any doubt about compatibility of decontamination or cleaning agents with parts of the equipment or with material contained in, please contact your Thermo Fisher Scientific Representative.

  • Page 165: Troubleshooting

    If the instrument has been correctly installed, the gas characteristics are as required and maintenance has been regularly carried out, EA IsoLink IRMS System for CNSOH will provide correct results. The lack of the above conditions will be indicated by anomalies in the chromatograms and the relevant analytical reports.

  • Page 166: Safety Cutoff

    When lit, this LED indicates that the furnaces and detector oven power has been cut off for safety reasons. The Safety Cutoff status is followed by an error message about the possible cause of error. EA IsoLink IRMS System for CNSOH Operating Manual Thermo Scientific...
  • Page 167 (Safety Cut Off message) setting temperature. 1112 board Left furnace over limit The left thermocouple is damaged Verify the continuity of the or interrupted. thermocouple and replace it. (Safety Cut Off message) Thermo Scientific EA IsoLink IRMS System for CNSOH Operating Manual...

  • Page 168: Efc-T Module

    The pneumatic circuit is perfectly EV3 and/or EV4 Check voltage supply close but the flow value do not Replace the solenoid valve decrease up to zero performing the Leak Test. EA IsoLink IRMS System for CNSOH Operating Manual Thermo Scientific...

  • Page 169: Eagersmart Software Installation

    The required software package includes the following items: • USB stick containing EagerSmart Data Handling Software • EagerSmart Data Handling Software Manual  To install EagerSmart Data Handling Software Material required EagerSmart Data Handling Software package Thermo Scientific EA IsoLink IRMS System for CNSOH Operating Manual...

  • Page 170: Running The Flash Irms As Stand-Alone Instrument

    EagerSmart Data Handling Software is the dedicated software that fully controls all the operations of the EA IsoLink IRMS System for CNSOH, Flash 2000, Flash 4000, and EA 1110 Elemental Analyzers. It is designed to be compatible with commercially available computers, and requiring the use of Windows™...

  • Page 171: Eagersmart Main Menu

    143.  To configure the analyzer 1. In Main Menu of Figure 149 page 143, choose File | Instrument Name and Configuration. The following window is visualized. See Figure 150. Thermo Scientific EA IsoLink IRMS System for CNSOH Operating Manual...
  • Page 172 Used when the ashes removal, the • Ashes removal reactor replacement, or both, are • Reactor replacement required as maintenance. Help Accesses to the help system of • About EagerSmart EagerSmart. EA IsoLink IRMS System for CNSOH Operating Manual Thermo Scientific...
  • Page 173 152, then click Ok to return to Main Menu for IRMS. 2. In Main Menu for IRMS click the icon . The following window appears where the analyzer operating parameters are visualized. See Figure 153. Thermo Scientific EA IsoLink IRMS System for CNSOH Operating Manual...
  • Page 174 Note The leak test must be performed also any time a component of the pneumatic circuit is replaced for checking that reactors, filters, if any, and gas chromatographic columns have been properly installed. See the section “Performing a Leak Test” page 147 for details. EA IsoLink IRMS System for CNSOH Operating Manual Thermo Scientific...

  • Page 175: Performing A Leak Test

    2. Select Special Functions tabbed page. See Figure 155. Figure 155. Special Function Tab 3. In the field Command click Leak Test. The window of Figure 156 is visualized indicating the status of the leak test. Thermo Scientific EA IsoLink IRMS System for CNSOH Operating Manual...

  • Page 176: Adjusting The Detector Signal Level

    Figure 157. Detector Status Tab 2. In the field TCD, click Auto-Adjust Level at 1000 μV. At the end of the operation, the value 1000 is set representing the analysis starting point. EA IsoLink IRMS System for CNSOH Operating Manual Thermo Scientific...

  • Page 177: View Sample Being Acquired

    This modification has effect only on the real time display, but it does not affect the integration and the chromatogram printout. Thermo Scientific EA IsoLink IRMS System for CNSOH Operating Manual...

  • Page 178: Configuring Eagersmart Data Handling Software

    Main Menu functions. Configuring EagerSmart Data Handling Software To control the EA IsoLink IRMS System for CNSOH version, it is necessary to properly configure the Eager Smart Data Handling Software: ...
  • Page 179 (Analyzer #1, Analyzer #2, and so on), that may be configured during the EagerSmart Data Handling Software installation procedure. 5. Double-click the sub-folder name that corresponds to your EA IsoLink IRMS System for CNSOH for opening the relevant contents. For example: Temp 1 = Analyzer #1. Double-click on the Eager.ini file for opening the file.
  • Page 180 Data Handling Software if Isodat Software Suite is completely closed down. If problems occur you may register and unregister the OCX using the two bat –files in the following folder of EagerSmart Data Handling Software: EA IsoLink IRMS System for CNSOH Operating Manual Thermo Scientific...
  • Page 181 Running the Flash IRMS as Stand-alone Instrument Using Isodat Software Suite and EagerSmart Data Handling Software at the Same Time EAGER For FLASH | Active X | Vers_1_x Thermo Scientific EA IsoLink IRMS System for CNSOH Operating Manual...
  • Page 183 DAC digital-to-analog converter IEC International Electrotechnical Commission dc direct current in. inch DS data system I/O input/output EMC electromagnetic compatibility k kilo (10 or 1024) ESD electrostatic discharge K Kelvin Thermo Scientific EA IsoLink IRMS System for CNSOH Operating Manual...
  • Page 184 PN part number psi pounds per square inch RAM random access memory <Return> <Return> key on the keyboard RF radio frequency ROM read-only memory RS-232 industry standard for serial communication s second EA IsoLink IRMS System for CNSOH Operating Manual Thermo Scientific...

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