CEM iPrep Series Manual
  1. Manuals
  2. Brands
  3. CEM Manuals
  4. Laboratory Equipment
  5. iPrep Series
  6. Manual

CEM iPrep Series Manual

High performance vessels
Hide thumbs
Table of Contents

Advertisement

Quick Links

iPrep
®
High Performance Vessels
Manual

Advertisement

Table of Contents
loading

Related Manuals for CEM iPrep Series

Summary of Contents for CEM iPrep Series

  • Page 1 iPrep ® High Performance Vessels Manual...
  • Page 2 THIS PAGE INTENTIONALLY LEFT BLANK...

  • Page 3: Table Of Contents

    Contents Safety Notations Routine Maintenance Safety Notations After Every Use Monthly Introduction Annually About the iPrep Vessels Bake-out Procedure Important Safeguards Troubleshooting Operating Parameters Problems and Possible Solutions Sample Preparation Safeguards Vessel Safeguards Microwave Safeguards Compounds Unsuitable for Closed Vessel Microwave Digestion Vessel and Accessories Overview Vessel Components...
  • Page 4 THIS PAGE INTENTIONALLY LEFT BLANK...

  • Page 5: Safety Notations

    Safety Notations Safety Notations This manual uses three safety alert words at points in the documentation where the user should be aware of potential hazards. The safety alerts are shown in color-coded boxes. The three words–NOTE, CAUTION, and WARNING–indicate differing levels of observation or action as described below: NOTE A NOTE is intended to provide emphasis of procedures that may be misinterpreted or overlooked, or to otherwise clarify confusing situations.

  • Page 6: Introduction

    Introduction About the iPrep Vessels The iPrep vessel is designed for microwave digestion in a MARS 6 with iWave®temperature control. This vessel is well suited for digestion of difficult matrices such as waste oils, APIs with multiple aromatic rings, polymers, and geological samples.

  • Page 7: Important Safeguards

    Important Safeguards Microwave sample preparation imposes a unique set of safety considerations beyond the basics of good laboratory practice. Additional Safeguards for the MARS 6 instrument are included in the manual, PN 600832. General guidelines for safe operation of the iPrep are presented below and all specific safety messages are located throughout the manual.

  • Page 8: Vessel Safeguards

    Vessel Safeguards • Only use vessels and vessel components purchased directly from CEM or through its authorized dealer network. • All vessel components must be dry prior to use • Always condition new liners and plugs • Do not batch old liners with new liners unless new liners have been conditioned with at least 3 runs using the customer’s sample...

  • Page 9: Compounds Unsuitable For Closed Vessel Microwave Digestion

    Compounds Unsuitable for Closed Vessel Microwave Digestion WARNING CEM will not be responsible for damage to equipment and facilities or personal injuries resulting from microwave digestion of samples that are deemed unsuitable for closed vessel microwave digestion. Acid decomposition of certain chemical compounds or types of samples constitutes unreasonable, hazardous misuse of CEM microwave digestion systems.

  • Page 10: Vessel And Accessories Overview

    Vessel and Accessories Overview For a list of parts and part numbers, visit our website at www.cem.com. A list of parts can be found on the “Products” page under “MARS 6”. Vessel Components WARNING Only use vessels and vessel components purchased directly from CEM or through its authorized dealer network.

  • Page 11: Accessories

    Accessories Item Description Torque Tool Provides appropriate vessel seal. Includes plug removal tool Vessel Liner Holder Holds up to a set of 16 vessel liners 12 Place Turntable Holds assembled vessels inside MARS 6 cavity and provides rotation 16 Place Turntable Holds assembled vessels inside MARS 6 cavity and provides rotation Frame Carrier Holds up to 4 assembled vessels...

  • Page 12: New Liner And Plug Conditioning

    All new liners and plugs should be conditioned as a set prior to being put into service. The break-in procedure is used to condition the Teflon® to ensure a proper seal. CEM recommends conditioning the plugs and liners based on the acid type that will be used: HNO , HCl, H , HF.

  • Page 13: Non-Nitric Acid Liner And Plug Conditioning

    Non-Nitric Acid Liner and Plug Conditioning 1. Use hot soapy water and foam brush to clean the liners and plugs. Rinse thoroughly with DI water and allow to dry completely before use. NOTE Micro 90 Cleaner® liquid detergent works well on Teflon. Avoid detergents that contain ingredients that could cause potential contamination such as Na and P .

  • Page 14: Perform A Digestion

    Perform a Digestion Vessel Assembly CAUTION Never add sample or liquid to liner with sleeve in place. Use the vessel liner holder. 1. Place liners in vessel liner holder. All vessel components must be dry prior to use. 2. Add sample to the liner(s). WARNING Proper precautions must be taken to avoid contact with reagents or reagent vapors.
  • Page 15 CAUTION If multiple plugs fall freely into liner, discard liner. Invert sleeves between tests to prevent liners from stretching. 5. Carefully slide the liner into the sleeve. NOTE Invert the vessel sleeves after every test to help maintain uniformity of the liner and sleeves. 6.
  • Page 16 8. Tighten the screw onto the top of the load disc until it is finger tight. 9. Use the provided torque block and tighten the screw until a single click is heard or felt. Perform a Digestion...

  • Page 17: Turntable Setup

    3. Turntable must be seated down on drive lug. NOTE CEM suggests that the iPrep vessel set be loaded into the turntable inside the instrument due to the weight and height of the vessels. 4. Load the vessel assemblies into the turntable one by one, ensuring that the notch in the bottom rear of the frame engages the locking ring on the turntable.

  • Page 18: Load And Perform A Method

    1. Verify Max Power Monitor is enabled and the alarm time is programmed for 10 minutes (Settings > Run > Max Power Monitor). 2. Select/load the method from the directory, One Touch or Classic. See "Methods" section or contact CEM Cor- poration if assistance is needed creating a new method.
  • Page 19 3. Place the vessel carrier rack into a fume hood, keeping the vent hole pointed away from the user. 4. Use the torque block to carefully loosen the vessel screws, allowing them to vent. 5. Remove the vessels from the frame carrier rack. 6.
  • Page 20 8. Transfer the digested sample from liner and proceed with work-up. CAUTION Never pour sample or liquid from liner with sleeve in place. 9. Clean vessels as outlined in “Vessel Cleaning ” Section. Perform a Digestion...

  • Page 21: Vessel Cleaning And Inspection

    Vessel Cleaning and Inspection WARNING Proper precautions must be taken to avoid contact with reagents or reagent vapors. Protective gear should be worn as outlined in the user’s safety program for hazardous materials and the reagent manufacturer’s safety data sheet. Refer to these guidelines for proper handling and disposal of the reagents. Liners and Plugs 1.

  • Page 22: Turntable, Frame, Load Disc, Screw & Racks

    Procedure: 1. Place the plugs and liners on their side in an air oven at room temperature. CAUTION Only the plugs and liners should be placed in the air oven at 210 ºC. Sleeves can be placed in an air oven no greater than 105 °C.

  • Page 23: Vessel Distribution

    Vessel Distribution 12 Place Turntable Even vessel distribution is required for optimal performance. Proper spacing will eliminate hot spots, issues regarding turntable balance, and provide optimal temperature sensing. 2 vessels 3 vessels 4 vessels 6 vessels 7 vessels 5 vessels 8 vessels 9 vessels 10 vessels...

  • Page 24: 16 Place Turntable

    16 Place Turntable Even vessel distribution is required for optimal performance. Proper spacing will eliminate hot spots, issues regarding turntable balance, and provide optimal temperature sensing. 2 vessels 3 vessels 4 vessels 5 vessels 6 vessels 7 vessels 8 vessels 9 vessels 10 vessels 11 vessels...

  • Page 25: Methods

    Methods Visit our website for Method and Application Notes or contact CEM Corporation before creating a method. Creation of a method for use in the MARS 6 requires knowledge and selection of the method control type and sample type for some vessels as well as temperature control options.

  • Page 26: Routine Maintenance

    • Inspect sleeves. Discard Sleeves that have lightened in color or turned white, or are flared at the ends. Annually Contact CEM Service Department, local CEM subsidiary or distributor for information on CEM Service contracts. Bake-out Procedure As needed: The bake out procedure can be used to remove residual acid vapors and other trapped gases from the Teflon®...

  • Page 27: Troubleshooting

    Troubleshooting Problems and Possible Solutions Problems Possible Cause Possible Solutions TempGuard message appears during run Some vessels are hotter • See “Bake-out Procedure” to reduce differences in liners than others • Do not batch old and new liners. Run in separate turntables TempGuard variables •...
  • Page 28 THIS PAGE INTENTIONALLY LEFT BLANK...
  • Page 29 THIS PAGE INTENTIONALLY LEFT BLANK...
  • Page 30 2 Middle Slade, Buckingham Industrial Estate, Buckingham MK181WA (44) 1280-822873 Fax: (44) 1280-822873 info.uk@cem.com For a complete list of distributors of CEM products, including contact information, go to the CEM website (http://www.cem.com) Copyright 2019 by CEM Corporation iWave and iPrep are registered trademarks Part Number 600856 All Rights Reserved.

This manual is also suitable for:

Iprep 12Iprep 16

Table of Contents