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Table of Contents
Related Manuals for CEM MARSXpress 10 mL
Summary of Contents for CEM MARSXpress 10 mL
- Page 1 MARSXpress 10 mL, 20 mL, 55 mL & 75 mL Microwave Digestion Vessel Manual...
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Page 3: Table Of Contents
Contents Safety Routine Maintenance Safety Notations After Every Use As Needed Introduction Annually About the MARSXpress Vessels Troubleshooting Important Safeguards Problems and Possible Solutions Operating Parameters Technical Assistance Microwave Safeguards Sample Preparation Safeguards Applications Support Vessel Safeguards Technical Support Compounds Unsuitable for Closed Vessel Microwave Digestion Vessel and Accessories Overview Vessel Components... - Page 4 THIS PAGE INTENTIONALLY LEFT BLANK...
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Page 5: Safety
Safety 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 on procedures that may be misinterpreted or overlooked, or to clarify confusing situations. -
Page 6: Introduction
MARSXpress vessels. Additional information, including but not limited to: training notes and videos, application notes, software updates, and parts can be viewed on CEM’s website at https://cem.com/marsxpress. Depending on the MARS configuration, this Manual should be used in conjunction with the MARS 6 iWave Manual (P/N 600832) or MARS 6 IR manual (P/N 600284). -
Page 7: Important Safeguards
Important Safeguards Microwave sample preparation imposes a unique set of safety considerations beyond the basics of good laboratory practice. Depending on the MARS configuration, additional safeguards are included in the MARS 6 iWave Manual (P/N 600832) or MARS 6 IR manual (P/N 600284). General guidelines for safe operation of the vessels are presented below and all specific safety messages are located throughout the manual. -
Page 8: Sample Preparation Safeguards
• Acid blanks cannot account for more than 25% of turntable when mixed with samples. Vessel Safeguards • Only use consumables, accessories, vessels and vessel components purchased directly from CEM or through its authorized dealer network. • All vessel components must be dry prior to use. - Page 9 • Perchlorates (Ammonium, Potassium, etc.) • Ethers (Cellosolve - Ethylene Glycol Phenyl Ether, etc.) • Lacquers • Alkanes (Butane, Hexane, etc.) • Ketones (Acetone, Methyl Ethyl Ketone, etc.) and Alcohols (Methanol, etc.) Important Safeguards...
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Page 10: Vessel And Accessories Overview
PFA and TFM plastic liners. The 10 mL and 20 mL vessels are only available in PFA plastic liners. 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 11: Vessel Components
Vessel Components Item Liner Vessel Plug Sleeve Accessories Turntable Torque Tool Vessel Rack *A 24 place, outer row only, turntable is available. Vessel and Accessories Overview... -
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. -
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 WARNING Proper precautions must be taken to avoid contact with acids or acid vapors. Protective gear should be worn as outlined in the user’s safety program for hazardous materials and the acid manufacturer’s safety data sheet. Refer to these guidelines for proper handling and disposal of the acids. Vessel Assembly The assembly procedures are the same for all vessel configurations, except for the operating parameters. - Page 15 7. Place the cap on the liner and tighten until finger tight. CAUTION Keep the vent hole facing away from the user at all times. Never look directly at the vent hole once it has been placed on the liner. 8.
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Page 16: Turntable Setup
WARNING Vessel torquing is critical to optimize controlled venting of the system and for the integrity of the vessel. Over or under torquing may lead to sealing issues. If any issue is noted, contact CEM Corporation. Turntable Setup 1. Load the vessel assemblies into the turntable one by one. See “Vessel Distribution” section of this manual for optimal vessel distribution. -
Page 17: Load And Perform A Method
Make adjustments by re-seating the turntable if necessary. Load and Perform a Method 1. 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 18: Vessel Removal
To prevent the possibility of severe burns, ensure that gloves and protective gear as outlined in your safety program are worn. Vessel Removal 1. Allow the vessels to cool down in cavity for 15 minutes before opening the microwave door. WARNING To prevent the possibility of severe burns, ensure that gloves and protective gear as outlined in your safety program are worn. -
Page 19: Cleaning And Inspection
Cleaning and Inspection WARNING Proper precautions must be taken to avoid contact with acids or acid vapors. Protective gear should be worn as outlined in the user’s safety program for hazardous materials and the acid manufacturer’s safety data sheet. Refer to these guidelines for proper handling and disposal of the acids. Liners, Vent Plugs, and Caps 1. -
Page 20: Sleeves
CAUTION Only the liners should be placed in the air oven at 180 ºC. Sleeves can be placed in an air oven no greater than 105 °C. See “Sleeves” section for more detail. DO NOT bake-out caps. 2. Set the oven temperature to 180 °C and let the liners warm slowly. Do not exceed an oven temperature of 190 °C. -
Page 21: Vessel Distribution
Vessel Distribution Vessel Distribution Even vessel distribution is required for optimal performance. Proper spacing will eliminate hot spots, issues regarding turntable balance, and provide optimal temperature sensing. Number of Vessels Vessel Distribution 1 - 16 Inner row only - even distribution 17 - 24 Outer row only - even distribution 25 - 40... -
Page 22: Methods
Methods One Touch Methods supplied with a MARS 6 are methods created by CEM Applications Specialists. This takes the guesswork out of method creation and sample preparation. With these methods, one touch (selecting the method) determines all of the parameters, adjusts power output, and performs the digestion for all major sample types. -
Page 23: Routine Maintenance
• Bake-out Procedure: See “Liner Bake-out Procedure” for detailed instructions. The bake out procedure can be used to remove residual acid vapors and other trapped gases from the Teflon® material. Annually • Contact CEM Service Department, local CEM subsidiary or authorized dealer for information on CEM Service contracts. Routine Maintenance... -
Page 24: Troubleshooting
“Organic” is the recommend sample type for most samples. Contact CEM before selecting any other sample types. Vessel Plug not in place Place vessel plug on top of liner before securing with the cap. See “Vessel Assembly”... -
Page 25: Technical Assistance
Technical Support CEM is proud to provide technical support from a team of specially trained Service Technicians. For technical support in the US and Canada, call (800) 726-5551 or (704) 821-7015 and ask for “MARS 6 Service” or email service@cem.com. - Page 26 THIS PAGE INTENTIONALLY LEFT BLANK...
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- Page 28 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 is a registered trademark of CEM Part Number 600968 All Rights Reserved.
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