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Summary of Contents for Endress+Hauser Analytik Jena novAA 350i
- Page 1 User Manual novAA 350i - intelligent AAS Atomic Absorption Spectrometer...
- Page 2 Analytik Jena GmbH+Co. KG Manufacturer Konrad-Zuse-Str.1 07745 Jena Germany Phone + 49 3641 77 70 + 49 3641 77 92 79 Email info@analytik-jena.com Analytik Jena GmbH+Co. KG Service Konrad-Zuse-Str. 1 07745 Jena Germany Phone + 49 3641 / 77-7407 (Hotline) Email service@analytik-jena.com Follow these instructions for proper and safe use.
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Page 3: Table Of Contents
novAA 350i Basic information Contents Basic information ....................... 7 Notes on this user manual ....................7 Intended use ........................8 Safety instructions ...................... 9 General notes ........................9 Safety labeling on the device .................... 9 Requirements for the operating personnel ..............11 Safety instructions, transport and installation ............... - Page 4 Contents novAA 800 4.7.3 Installation for manual sample introduction ..............46 4.7.4 Installation for continuous operation / sample introduction via autosampler ..... 48 4.7.5 Installing the injection module SFS 6 ................52 4.7.6 Replacing the burner ....................... 53 4.7.7 Installing the scraper ....................... 54 Starting up the novAA 350i with accessories ..............
- Page 5 novAA 350i Figures Figures Fig. 1 Safety markings on the device ..................10 Fig. 2 Sample chamber of the novAA 350i ................17 Fig. 3 Optical diagram of the novAA 350i ................18 Fig. 4 Nebulizer-mixing-chamber-burner-system ..............21 Fig. 5 Mixing chamber and nebulizer, disassembled ...............
- Page 6 Figures novAA 350i...
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Page 7: Basic Information
novAA 350i Basic information Basic information Notes on this user manual The user manual describes the novAA 350i - intelligent AAS. The novAA 350i - intelligent AAS intended for operation by qualified specialist person- nel observing this user manual. This user manual is addressed to personnel familiar with analysis and provides infor- mation about the design and function of the novAA 350i and the necessary know-how for the safe handling of the device and its components. -
Page 8: Intended Use
Basic information novAA 350i Intended use The novAA 350i is an atomic absorption spectrophotometer with deuterium background correction that can be used for the sequential determination of traces of metals and semi-metals in liquid or dissolved samples in routine analysis as well as for research pur- poses. -
Page 9: Safety Instructions
novAA 350i Safety instructions Safety instructions General notes For your own safety and to ensure error-free and safe operation of the novAA 350i, please read this chapter carefully before using the appliance. Observe all safety notes listed in this user manual and all messages and notes displayed by the control and analysis program ASpect LS on the monitor. -
Page 10: Fig. 1 Safety Markings On The Device
Safety instructions novAA 350i Fig. 1 Safety markings on the device Number Warning / Information symbol Meaning scope of application Before opening the device hood switch off the device and disconnect the mains plug from the mains connection. Unlock power cable before opening! Warning! Voltage on power point also by switched off AAS power switch! Pay close at- tention to the limit of the admissible current... -
Page 11: Requirements For The Operating Personnel
novAA 350i Safety instructions Requirements for the operating personnel The novAA 350i must only be operated by qualified specialist personnel instructed in the use of the device. The instruction must also include conveying the content of this user manual and the user manuals of other system components. In addition to the safety at work instructions in this user manual the generally applicable safety and accident prevention regulations of the respective country of operation must be observed and adhered to. -
Page 12: Safety Instructions For Electrical Equipment
Safety instructions novAA 350i Modifications, conversions and extensions to the device are only permitted after con- sultation with Analytik Jena. Unauthorized modifications can jeopardize the device’s operational safety and may lead to limitations regarding the warranty and access to customer service ... -
Page 13: Hazards Associated With The Operation Of The Flame
novAA 350i Safety instructions 2.5.2 Hazards associated with the operation of the flame HCL, D -HCL and the flame of the burner transmit optical radiation (in the UV range and the visible range). Do not look into the rays emitted by the lamp or the flame without UV protection goggles. -
Page 14: Handling Of Samples, Auxiliary And Operating Materials
Safety instructions novAA 350i The safety instructions and guidelines for operating compressed gas cylinders or compressed gas systems that apply at the operating location must be strictly com- plied with. Compressed air hoses and pressure reducers may only be used for the assigned gases. -
Page 15: Decontamination In Case Of Biological Contamination
novAA 350i Safety instructions When measuring material containing cyanide you have to make sure that prussic acid cannot be generated in the waste bottle, i.e. the waste solution must not be acidic. Ensure that all residue liquid from the nebulizer and the automatic sampler is di- rected into the waste bottle supplied. -
Page 16: Safety Instructions: Service And Repair
Safety instructions novAA 350i Safety instructions: service and repair Observe the following notes: The novAA 350i is categorically unpacked and assembled by the customer service department of Analytik Jena or its authorized and trained specialist personnel. Unau- thorized servicing can lead to maladjustment or damage of the device. Therefore, the tasks that the operator is allowed to carry out are strictly limited to the tasks listed in chapter "Service and maintenance"... -
Page 17: Function And Setup
novAA 350i Function and setup Function and setup Flame techniques The following atomization techniques are available for the novAA 350i: Flame technique (burner-nebulizer system) Hydride and mercury cold vapor technique (cell unit) Fig. 2 Sample chamber of the novAA 350i For flame operation, the novAA 350i is designed as a double-beam instrument, which can also be used in single-beam operation. -
Page 18: Fig. 3 Optical Diagram Of The Novaa 350I
Function and setup novAA 350i beams. Identical beam paths with the same beam distribution and density in the spatial angle used for both radiation sources ensure the optimal background compensation with the D -HCL. The reference beam is routed behind the sample chamber. A rotating sector mirror (item 5 in Fig. -
Page 19: Measurement Principle
novAA 350i Function and setup A Silicon-hybrid receiver (item 4 in Fig. 3) at the exit of the monochromator measures the intensity of the impinging radiation synchronously with the clocking of the light sources. The optional accessory Air Purge Kit (APK) can be used to purge the spectrometer with purified compressed air. -
Page 20: Automatic Gas Control
Function and setup novAA 350i The sample solution is aspirated by a pneumatic nebulizer and sprayed into the mixing chamber. In the mixing chamber the sample aerosol is mixed with acetylene and oxidant before it emerges from the burner slot. The flame is either 5 or 10 cm long and a few millimeters wide, depending on the burner used. -
Page 21: Fig. 4 Nebulizer-Mixing-Chamber-Burner-System
novAA 350i Function and setup not enter the mixing chamber. The impeller retains droplets and stabilizes the aerosol cloud. Any liquid residues left in the system can run off into the siphon through the con- tinuously rising mixing chamber tube. Furthermore, the baffle ball must be permanently attached in a central position relative to the nebulizer. -
Page 22: Burner And Flame Type
Function and setup novAA 350i Fig. 5 Mixing chamber and nebulizer, disassembled Safety plug Nebulizer connection with locking ring Mixing chamber tube Baffle ball Impeller Nebulizer with connection for oxidant and con- Mixing chamber head with connections for nection for sample tube gases, nebulizer and siphon Siphon Connections for auxiliary oxidant and fuel gas... -
Page 23: Sensors
novAA 350i Function and setup 50-mm-single-slit burner (universal burner) 100-mm-single-slit-burner Fig. 6 Burner types The burners made of titanium are inert with respect to the influences of aggressive sam- ple solutions. The burners can be exchanged easily and can be continuously rotated up to 90°... -
Page 24: Fig. 7 Autosampler As-Fd With Separate Fluidics Module
Function and setup novAA 350i 139 positions Sample tray with 129 sample positions for 15-mL tubes on the outer track and 10 sample positions for 50-mL tubes on the inner track 54 positions Sample tray with 54 positions for 50-mL tubes The sample trays should be selected according to the requirements of the analysis: ... -
Page 25: Piston Compressor Planet L-S50-15
novAA 350i Function and setup Preparation of standards for calibration by diluting one or several stock standards in the mixing cup Dilution of the sample if its concentration is too high, i.e., its element content is higher than 110 % of the calibration standard with the highest concentration ... -
Page 26: Scraper - Automatic Cleaner Of The Burner Head
Function and setup novAA 350i Connection for the control cable Tube to the purge solution Support Short piece of tube to the nebulizer cannula Sample intake tube Fig. 8 Injection module SFS 6 3.6.4 Scraper – automatic cleaner of the burner head It is recommended to use the automatic cleaner of the burner head (scraper) for contin- uous and fully automated operation with a nitrous oxide flame. -
Page 27: Air Purge Kit
novAA 350i Function and setup 3.6.5 Air Purge Kit The Air Purge Kit (APK) is used in combination with the atomic absorption spectrome- ters of the novAA series to purge the spectrometer. The purging process with purified and dried air prevents the ingress of dust and corroding vapors into the optical area of the spectrometer. -
Page 28: Installation And Initial Start-Up
Installation and initial start-up novAA 350i Installation and initial start-up CAUTION Prevent any unauthorized interference! The device may only be assembled, installed and repaired by service engineers from An- alytik Jena or by technical personnel authorized by Analytik Jena. CAUTION Observe the safety instructions! When installing and starting up the device, please observe the instructions provided in the section "Safety instructions"... -
Page 29: Environmental Conditions
novAA 350i Installation and initial start-up CAUTION Pay attention to the safety instructions in the chapter "Safety instructions" on page 9. Observe work protection regulations. Warnings regarding potential dangers do not re- place valid work protection regulations! Possible dangers when working with the novAA 350i are: ... -
Page 30: Energy Supply
Installation and initial start-up novAA 350i 4.1.2 Energy supply WARNING Observe the mains connection! During electrical installation, observe any local regulations! The mains supply must be correctly earthed. Do not use an adapter in the mains cabling. The novAA 350i is operated on single-phase alternating current. Optimum device func- tion strongly depends on a correct mains connection. -
Page 31: Exhaust Unit
novAA 350i Installation and initial start-up The flame technique requires an oxidant (compressed air or nitrous oxide) and acety- lene as a fuel gas. The purity of the gases is extremely important for the analysis. The piston compressor PLANET L-S50-15 can be used to supply the compressed air. If compressed air is sup- plied via an in-house compressed air supply system, please consult the service depart- ment at Analytik Jena. -
Page 32: Space Requirement, Weight And Device Layout
Installation and initial start-up novAA 350i 4.1.5 Space requirement, weight and device layout The novAA 350i is a compact device conceived to be mounted on a table. The required space depends on the number of components needed for measurement. When placing the device and system components observe a minimum clearance of 15 cm to walls and neighboring installations. -
Page 33: Fig. 10 Dimensions Of The Novaa 350I - Front View
novAA 350i Installation and initial start-up Fig. 10 Dimensions of the novAA 350i – front view Fig. 11 Dimensions of the novAA 350i (with AS-FD and Fluidics module) -
Page 34: Fig. 12 Installation Diagram Novaa 350I With Exhaust Unit
Installation and initial start-up novAA 350i Fig. 12 Installation diagram novAA 350i with exhaust unit... -
Page 35: Supply And Control Connections
novAA 350i Installation and initial start-up Supply and control connections The supply lines are connected by the technicians of the Analytik Jena service depart- ment during the installation of the novAA 350i. The mains switch is located on the right side of the novAA 350i. The right device side also contains an easily accessible connection panel with interfaces for PC and accesso- ries. -
Page 36: Fig. 14 Supply And Control Connection Panel
Installation and initial start-up novAA 350i Connection for graphite autosampler (not used at novAA 350i) Connection for flame autosampler Connection for hydride system (HS) Connection novAA – PC (only for ser- vicing) Connection for cooling unit (not used at novAA 350i) +5 V (only for servicing) GND (only for servicing) Connection novAA 350i –... -
Page 37: Removing The Transport Locks
novAA 350i Installation and initial start-up Fig. 16 Fuses and electrical connections Fuses F3-F7 Mains connection for novAA 350i Fuses F1, F2 Mains connection for accessories (with provided power strip) The type plate is located on the rear of the device. The type plate contains following in- Type plate formation: the serial number and the electrical connection data. -
Page 38: Placing And Connecting The Novaa 350I
Installation and initial start-up novAA 350i The transport lock must be removed prior to commissioning the novAA 350i. Fig. 17 Transport lock on the novAA 350i 1. Unscrew and remove the clamps of the device cover on the left and right side walls (item 1 in Fig. -
Page 39: Fig. 18 Arrangement Of The Lamp Turret And Bracket Of The D 2 -Hcl
novAA 350i Installation and initial start-up To do so, open the section Optical Parameters in the Spectrometer / Control window of the ASpect LS software and set the lamp current [mA] to zero. Open the drop-down list Background correction and select the option No background. Click [Set]. Negate the error message. -
Page 40: Removing And Installing The Hollow Cathode Lamp
Installation and initial start-up novAA 350i 4.6.1 Removing and installing the hollow cathode lamp 1. Open the door to the lamp chamber. In de-energized state 2. Turn the lamp turret until you can access the position you want to load. 3. -
Page 41: Configuring The Lamp Turret In Aspect Ls
novAA 350i Installation and initial start-up 1,3,5 Securing nuts of the lamp holder Adjustment screws Attachment screws for the safety bracket of the lamp holder Fig. 20 -HCL holder installed in the lamp chamber Fig. 21 -HCL with holder, removed from the lamp chamber Tension spring Adjustment screw Stop... -
Page 42: Fig. 22 Window Select Lamp/Element
Installation and initial start-up novAA 350i 3. Highlight the position that is to be mounted with a lamp or which is to be changed. 4. Use [Change] to open the Select Lamp/Element window. Fig. 22 Window Select Lamp/Element 5. Enter the following values: Lamp position Shows the position in the lamp turret. -
Page 43: Adjusting The Lamps
novAA 350i Installation and initial start-up 4.6.4 Adjusting the lamps Fine adjusting the lamps is generally required only once after a new installation of the lamp. The useful life of the lamp strongly depends on the current setting for the lamp. The Maximizing the recommended operating current varies from lamp type to lamp type. -
Page 44: Fig. 24 Window Spectrometer - Energy
Installation and initial start-up novAA 350i Fig. 24 Window Spectrometer – Energy 7. Initiate the energy measurement by clicking on [Start]. Wait until the D2-HCL has started. 8. Set the energy level to a maximum value: With focus adjusting: Move the lamp holder up or down slightly before tightening the securing nuts (items 1, 3, 5 in Fig. -
Page 45: Installing The Burner-Nebulizer-System
novAA 350i Installation and initial start-up Installing the burner-nebulizer-system 4.7.1 Connections in the sample chamber for the flame technique Fig. 25 Connections on the burner-nebulizer system Burner Siphon Outlet tube of the siphon Markings for alignment on the mixing chamber tube Oxidant connection (blue tube) and the holding fixture 10 Auxiliary oxidant (black tube) -
Page 46: Software Presettings For The Flame Technique
Installation and initial start-up novAA 350i Fig. 26 Connections on the sample chamber walls Suspension for injection module SFS 6 Connection for injection module SFS 6 Suspension for autosampler, right side Siphon monitoring connection Scraper connection Suspension for autosampler, left side 4.7.2 Software presettings for the flame technique Set the option Flame in the Technique list of the Quick Start window of the ASpect LS... -
Page 47: Fig. 28 Flame Technique, Manual Sample Introduction
novAA 350i Installation and initial start-up NOTICE Switch off the novAA 350i prior to installation! Connecting or disconnecting electrical plug-in contacts may damage the sensitive electronic components of the novAA 350i. 1. Observe the sequence for switching off the novAA 350i and its accessories and turn the devices off. -
Page 48: Installation For Continuous Operation / Sample Introduction Via Autosampler
Installation and initial start-up novAA 350i 4. Push the collection tray underneath the burner-nebulizer system in the sample chamber. 5. Connecting the gas supply: — Fuel gas hose (red) at the top of the mixing chamber head — Oxidant hose (blue) at the side of the nebulizer —... -
Page 49: Fig. 29 Flame Mode, Continuous With Autosamplers As-Fd And Sfs 6
novAA 350i Installation and initial start-up Fig. 29 Flame mode, continuous with autosamplers AS-FD and SFS 6 Storage bottle for diluent Injection module SFS 6 (where applicable) Fluidics module with dosing unit Sample intake tube Storage bottle for washing liquid Tube for diluent (thick cannula) and sample in- take tube (thin cannula) Tube for washing liquid to the SFS 6... - Page 50 Installation and initial start-up novAA 350i 9. Attach the required burner (50 mm or 100 mm) to the mixing chamber tube, turn to the stop position and clamp. Ensure that the burner is positioned correctly. There are markings on the mixing chamber tube and the retainer. If you are working with injection module SFS 6, install injection module SFS 6 (section Installing the "Installing the injection module SFS 6"...
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Page 51: Fig. 30 Rear View Of The Autosampler As-Fd
novAA 350i Installation and initial start-up Fluidics module connection AAS connection Suspension mount with adjust- ment screw Connector for outlet tube Screw for purge tube Suspension for injection module SFS 6 Fig. 30 Rear view of the autosampler AS-FD Storage bottle for purging Preparing the Fluidics liquid module (for AS-FD) -
Page 52: Installing The Injection Module Sfs 6
Installation and initial start-up novAA 350i 3. Detach the tube for the wash liquid at the rear of the autosampler. 4. For the AS-FD, detach the dosing tube for the diluent from the thicker cannula and pull it off the tube guide. Pull the two encased tubes out of the attachment lug at the rear of the autosampler. -
Page 53: Replacing The Burner
novAA 350i Installation and initial start-up Fig. 32 SFS 6 for manual sample introduction, installed Tube to the sample / autosampler Tube to the purge solution Injection module SFS 6 Connecting cable for the control of the SFS 6 Tube to the nebulizer 1. -
Page 54: Installing The Scraper
Installation and initial start-up novAA 350i 4.7.7 Installing the scraper When working with the nitrous oxide flame the use of a scraper is recommended which automatically removes carbon deposits from the burner head in nitrous oxide operation. Alternatively, carbon deposits can be manually removed from the burner slot with the scraper. -
Page 55: Starting Up The Novaa 350I With Accessories
novAA 350i Installation and initial start-up Starting up the novAA 350i with accessories 4.8.1 Switching on sequence 1. Switch on the exhaust unit. 2. Switch on the PC and wait for the operating system to initialize: The application icons appear on the screen, including the ASpect LS program icon. 3. -
Page 56: Service And Maintenance
Service and maintenance novAA 350i Service and maintenance WARNING Electric shock! The novAA 350i must be switched off before carrying out any mainte- nance work. Pull the mains plug. The safe disconnection of the novAA 350i from the mains can only be achieved by pulling the mains plug. Power is still supplied to both cer- tain areas of the spectrometer, as well as the output socket, after the device has been switched off at the main switch. -
Page 57: Maintenance Overview
novAA 350i Service and maintenance Maintenance overview Maintenance item Action Frequency Basic unit Fuse Change the fuse. As required. Sample chamber Clean. Regularly. Remove fluid from the collection If there are residues in the tray. tray. Clean the windows for beam entry in case of visible contamination such as streaks and exit in the sample chamber and burnt-in residues, or... -
Page 58: Maintaining The Basic Device
Service and maintenance novAA 350i Maintaining the basic device 5.2.1 Replacing the fuses WARNING Risk of electric shock! Prior to replacing the fuses in the novAA 350i always switch off the device with the mains switch and pull the plug. The power supply fuses (F1, F2) of the novAA 350i D and G may only be replaced by An- alytik Jena service engineers or by technical personnel authorized by Analytik Jena. -
Page 59: Burner-Nebulizer System
novAA 350i Service and maintenance Weekly in form of a safety check. If a gas connection is opened when operation is started up again. To check for leaks, close the stopcock of the gas supply system and observe the pressure reading on the downstream manometer. -
Page 60: Taking The Burner-Nebulizer System Apart
Service and maintenance novAA 350i 5.3.1 Taking the burner-nebulizer system apart Fig. 35 Removing and disassembling the burner-nebulizer system Burner Outlet tube on the siphon Retaining screw on the burner Siphon fixing screw Mixing chamber tube 10 Screwed tube connection on the nebulizer Locking ring for the nebulizer 11 Screwed tube connections on the mixing cham- ber head... -
Page 61: Fig. 36 Mixing Chamber And Nebulizer Disassembled For Cleaning
novAA 350i Service and maintenance Fig. 36 Mixing chamber and nebulizer disassembled for cleaning Safety plug Nebulizer connection with locking ring Mixing chamber tube Baffle ball Impeller Nebulizer with connection for oxidant and con- nection for sample tube Mixing chamber head with connections for gases, nebulizer and siphon Clamp screw Connections for auxiliary oxidant and fuel gas... -
Page 62: Cleaning The Burner
Service and maintenance novAA 350i 4. Unscrew the siphon sensor cable from the connection in the sample chamber (item 7 in Fig. 35) and pull it off. 5. Remove the outlet tube from the outlet connector of the siphon (item 8 in Fig. 35). 6. -
Page 63: Cleaning The Nebulizer
novAA 350i Service and maintenance Fig. 38 Screw joints of the burner Juxtaposing screw joints of the burner (Do not loosen the screws) Screw joints attaching the burner jaws to the burner body Dowel pins on the bottom side of the burner jaws 5.3.3 Cleaning the nebulizer 1. -
Page 64: Assembling The Burner-Nebulizer System
Service and maintenance novAA 350i 5.3.6 Assembling the burner-nebulizer system WARNING Risk of explosion due to leaking gas connections! When connecting the supply tubes, ensure correct connection. Insert the sealing rings and test their tightness. Only hand-tighten all screwed connections. CAUTION Never use the acetylene nitrous oxide flame for sensitivity fine adjustment of the nebu- lizer! Sudden changes in flow rate may cause a flame flashback into the mixing cham-... -
Page 65: Fig. 41 Components Of The Nebulizer
novAA 350i Service and maintenance 13. Connect the gas supply: — Screw the fuel gas hose (red) onto the connector at the top of the mixing cham- ber head (item 11 in Fig. 35). — Screw the oxidant hose (blue) onto the nebulizer connector (item 11 in Fig. 35). —... -
Page 66: Cleaning The Sensor For Burner Detection
Service and maintenance novAA 350i 5.3.7 Cleaning the sensor for burner detection A sensor system monitors whether the burner is placed on the mixing chamber neck be- fore igniting the flame. The openings of the sensor system must be cleaned, if ... -
Page 67: Autosamplers As-F, As-Fd
novAA 350i Service and maintenance 1. In the ASpect LS software for flame technique, use the button to open the Flame / Control window. O) in the group field Settings. 2. Set the ratio between gas C – oxidant (air or N 3. -
Page 68: Replacing The Cannulas And Guide On The Autosampler Arm Of The As-Fd
Service and maintenance novAA 350i Washing the mixing cup 1. In ASpect LS use to open the Autosampler window. prior to and after the measurement 2. On the Parameter tab in the Wash mix cup group, enter a volume of 25 mL. 3. -
Page 69: Replacing The Intake Tube
novAA 350i Service and maintenance 5.4.5 Replacing the intake tube If the intake tube is contaminated, it must be replaced. 1. Remove the aspiration tube from the autosampler arm cannula and then from the nebulizer cannula. 2. The aspiration tube is equipped with a silicon adapter tube on both ends. Insert the longer tube adapter on the cannula and the shorter tube adapter on the nebulizer. -
Page 70: Cleaning Up After Cup Overflow
Service and maintenance novAA 350i 1. Switch on the novAA 350i and start the ASpect LS software. Select the flame tech- nique in the Quick Start window. to open the Autosampler window. Open the Function tests tab. 2. Use 3. Use the arrow keys to set a volume to be taken in the Volume [µL] list field in the Pipetter area (AS-FD: 5000 µL). -
Page 71: Suction Filter
novAA 350i Service and maintenance Drain oily condensation water from the pressure reducer every week by pressing the pin at the bottom of the liquid separator. Suction filter: Check the filter every month. Clean or replace the filter every six month. ... -
Page 72: Troubleshooting
Troubleshooting novAA 350i Troubleshooting Troubleshooting according to software messages The following chapter describes a number of possible problems that the user can par- tially remedy independently. If such problems occur frequently, the operator must in- form the Analytik Jena service department. A system monitoring process is initiated as soon as the novAA 350i is switched on. -
Page 73: Equipment Faults And Analytical Problems
novAA 350i Troubleshooting Error code Error message Energy of the D HCL too low Increase the slit width or select a HCL analysis line with a shorter wave- length Check the alignment and aging (blackening) of the D -HCL ... - Page 74 Troubleshooting novAA 350i No signal or sensitivity is too low Cause Remedy Atomization unit is inappropriately Check the height adjustment aligned in the beam path Leak or obstruction in the sample Check the cannula and dosing tube for deposits, introduction system kinks and cracks, and clean or replace them, if required...
- Page 75 novAA 350i Troubleshooting The measured value is too high Cause Remedy Calibration is incorrect Check the calibration solutions Contamination / carry-over Find causes and correct them Warm-up phase of the device was Allow the flame to stabilize for a longer period after igniting it before performing the not observed calibration...
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Page 76: Transport And Storage
Transport and storage novAA 350i Transport and storage Preparing the novAA 350i for transport 4 handles (supplied with the device Tools 17-mm open-end wrench CAUTION Risk of injury! The novAA 350i product weighs 95 kg. The device must be transported by at least 4 persons using the fixed screw-in carrying handles. -
Page 77: Ambient Conditions For Transport And Storage
novAA 350i Transport and storage The novAA 350i is prepared for transport Ambient conditions for transport and storage Observe the safety instructions in the section "Safety instructions, transport and installa- tion" on page 11. Transport the novAA 350i and its components with care to prevent damage from impact or vibration. -
Page 78: Disposal
Disposal novAA 350i Disposal Atom absorption spectrometry usually creates only liquid waste. The liquid waste con- tains metal ions or heavy metal ions, but mostly different mineral acids which were used during sample preparation. For safe disposal of this waste, all solutions must be neutralized with an alkaline solu- tion such as a diluted sodium hydroxide solution. -
Page 79: Specification
novAA 350i Specification Specification Technical data 9.1.1 Data on the novAA 350i Flame technique in single or double-beam operation with deuterium background Techniques correction Hydride and mercury cold vapor technique in single-beam operation with deuterium background correction Deuterium background correction with D -HCL Background correction ... - Page 80 Specification novAA 350i Display types Absorbance -0.01 to 3.00 Concentration Value range: 5 characters (0.0001 to 99999), unit freely se- lectable Emission 0 to 1; possible in flame mode Energy 0 to 2,000,000 counts normalized intensity 0 % to 100 % Processing of the meas- Measurement frequency Single-beam operation...
- Page 81 novAA 350i Specification Statistical methods Sigma statistics – Mean value with standard deviation (SD) and relative stand- ard deviation (RSD) Median statistics – Median value with range (R) and relative range (R %) Confidence interval Choose between: absolute, relative or interruptible Selectable confidence interval: σ...
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Page 82: Minimum Requirements Of The Aspect Ls Software
Specification novAA 350i T 0.08 A -HCL T 0.25 A HCLs T 3.15 A Glowing coil Ambient conditions Compliant with DIN ISO 90022-2:2003 / 01 Corrosion protection The device is corrosion-proof for the samples used in the analy- Working temperature +5 °C to +40 °C Humidity during operation Max. -
Page 83: Accessories Data
novAA 350i Specification Auxiliary oxidant (air or N 3 levels: 75 / 150 / 225 NL/h 3 stages: 60 / 120 / 180 NL/h Fuel gas Acetylene Inlet pressure: 80 to 160 kPa Consumption: 40 to 315 NL/h Nebulizer Production of the sample aerosol Mode of action Pneumatic radial clearance nebulizer Material... - Page 84 Specification novAA 350i Sample cups 54 pieces, 50 mL Dosing unit in the Fluidics module 5 mL Power supply Via AAS basic instrument Wash bottle Bottle for diluent Mass (total) 10.0 kg Sampler 6.5 kg Fluidics module 3.5 kg Injection module Model: SFS 6 (Segmented Flow Star), PC-controlled Stable burner conditions ensured by continuous purging and constant temperature conditions Sample volume for individual analy-...
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Page 85: Guidelines And Standards
novAA 350i Specification Guidelines and standards The novAA 350i has the protection class I. Protection class and The casing has the protection rating IP 20. protection rating The novAA 350i complies with the safety standards Device safety DIN EN 61010-1 (VDE 0411T.1; IEC 61010-1) ...
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