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Contents

Safety

Safety Notations

Introduction

About the MARSXpress Vessels

Important Safeguards

Operating Parameters

Microwave Safeguards

Sample Preparation Safeguards

Vessel Safeguards

Compounds Unsuitable for Closed Vessel Microwave

Digestion 4

Vessel and Accessories Overview

Vessel Components

Accessories 7

New Liner and Plug Conditioning

Nitric Acid Liner and Plug Conditioning

Non-Nitric Acid Liner and Plug Conditioning

Perform a Digestion

Vessel Assembly

Turntable Setup

Load and Perform a Method

Vessel Removal

Cleaning and Inspection

Liners, Vent Plugs, and Caps

Liner Bake-out Procedure

Sleeves 16

Turntable 16

Vessel Distribution

Vessel Distribution

Methods

Create a One Touch Method

Create a Classic Method

Routine Maintenance

After Every Use

As Needed

Annually 19

Troubleshooting

Problems and Possible Solutions

Technical Assistance

Applications Support

Technical Support

Содержание MARSXpress 10 mL

Страница 1: ...MARSXpress 10 mL 20 mL 55 mL 75 mL Microwave Digestion Vessel Manual...

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Страница 3: ...er and Plug Conditioning 8 Non Nitric Acid Liner and Plug Conditioning 9 Perform a Digestion Vessel Assembly 10 Turntable Setup 12 Load and Perform a Method 13 Vessel Removal 14 Cleaning and Inspectio...

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Страница 5: ...tion as described below NOTE A NOTE is intended to provide emphasis on procedures that may be misinterpreted or overlooked or to clarify confusing situations CAUTION A CAUTION is intended to provide e...

Страница 6: ...take the guesswork out of method creation and sample preparation The MARS 6 requires software version 1 49 or newer to operate MARSXpress This manual is intended for use by both novice and experience...

Страница 7: ...All Acids and Acid mixtures excluding HF 210 C 210 C 210 C 210 C HF 180 C 180 C 180 C 180 C Maximum Hold Time 200 210 C 45 min 45 min 45 min 45 min 180 200 C 60 min 60 min 60 min 60 min 180 C 90 min...

Страница 8: ...if TempGuardTM is triggered The fully loaded turntable without sample may be heavy 25 pounds 11 kg Use caution when lifting and loading into the cavity Do not place fingers beneath the turntable when...

Страница 9: ...ortant Safeguards Perchlorates Ammonium Potassium etc Ethers Cellosolve Ethylene Glycol Phenyl Ether etc Lacquers Alkanes Butane Hexane etc Ketones Acetone Methyl Ethyl Ketone etc and Alcohols Methano...

Страница 10: ...s visit our website at www cem com A list of parts can be found on the Products page under MARS 6 WARNING Only use consumables accessories vessels and vessel components purchased directly from CEM or...

Страница 11: ...7 Vessel and Accessories Overview Vessel Components 1 3 2 4 Item 1 Liner 2 Vessel Plug 3 Cap 4 Sleeve Accessories Turntable Torque Tool Vessel Rack A 24 place outer row only turntable is available...

Страница 12: ...of tea leaves or appropriate sample into each liner Never add sample or liquid to liner with sleeve in place 3 Add 10 mL of HNO3 to each liner Use the acid to rinse the inside of the liner to ensure t...

Страница 13: ...it 15 minutes to allow pre digestion 5 Assemble and torque each vessel See Vessel Assembly for detailed instructions 6 Select and load the Xpress Clean method from the One Touch directory 7 Place vess...

Страница 14: ...TION Do NOT batch old liners with new liners unless new liners have been conditioned 4 Add the sample to the liner s 4 1 Inspect liners for abnormalities 4 2 Weigh and transfer the sample into the lin...

Страница 15: ...acing away from the user at all times Never look directly at the vent hole once it has been placed on the liner 8 Hold the vessel and tighten the cap using the provided preset torque tool until a sing...

Страница 16: ...mblies into the turntable one by one See Vessel Distribution section of this manual for optimal vessel distribution A minimum of 4 vessels per run is required View Important Safeguards NOTE The sleeve...

Страница 17: ...eded creating a new method 1 1 To view method parameters select the method and select the information icon located at the top of the screen 2 Close the instrument door 3 Select Start to run the method...

Страница 18: ...acids 2 Remove the turntable from the instrument Keep the vent holes facing away from the user when transporting the turntable 3 Remove the vessel assemblies from the turntable one by one keeping the...

Страница 19: ...10 mL of acid that had been used for sample digestion HNO3 HCl H2 SO4 H3 PO4 or HF 4 2 Prepare vessel and turntable as outlined in manual 4 3 Select and run the Xpress Clean method in the One Touch di...

Страница 20: ...eeves Sleeves should be smooth and golden brown Discard sleeves that are distorted or flared Discard sleeves that have stains on the ends This occurs when liquid acid wicks up into the composite layer...

Страница 21: ...mber of Vessels Vessel Distribution 1 16 Inner row only even distribution 17 24 Outer row only even distribution 25 40 Inner and outer rows even distribution CAUTION A minimum of 4 vessels per run is...

Страница 22: ...thods 2 Select at the top of the screen to begin creating a One Touch Method 3 Select Method Name and enter in a name 4 Select Temperature and enter the desired temperature 5 Select Sample Type and ch...

Страница 23: ...ion of this manual Wipe inside of MARS cavity including the sensors with a lint free damp cloth Inspect liners plugs caps and sleeves See Cleaning and Inspection for acceptable wear on these component...

Страница 24: ...r Bake out Procedure to reduce differences in liners Do not batch old and new liners Run in separate turntables Uneven bar graphs during run Not enough similarity in sample type or sample weight Selec...

Страница 25: ...he US or 704 821 7015 and ask for Analytical Support or email MARS applications support at analytical support cem com Technical Support CEM is proud to provide technical support from a team of special...

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Страница 28: ...ue de Saclay 4 rue Rene Razel 91892 ORSAY Cedex 33 01 69 35 57 80 Fax 33 01 60 19 64 91 info fr cem com Germany Austria Switzerland CEM GmbH Carl Friedrich Gauss Str 9 47475 Kamp Lintfort 49 2842 9644...

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