Direct Dynamic Thermal Desorption

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The Direct Dynamic Thermal Desorption Device is used to thermally extract solid or liquid samples directly into the Capillary Column of a Gas Chromatograph. The device allows a sample tube to be moved into and out of the Injection Port of a Gas Chromatograph by controlled venting of carrier gas within a Split / Splitless Capillary Injection Port.

Click on the following text to bring up additional information

• Diagram of a sample being Thermally Desorbed within a GC injection port
• Operation Manual, 10 pages, Step by Step Instruction with illustrations.
• Photo of Direct Dynamic Thermal Desorption Device installed in H/P GC/MS
• Installation Procedure - with photos
• List of Publications

Diagram of Direct Dynamic Thermal Desorption Device

1. Sample Loading Cover Assembly 2. Glass Sample tube 3. Loading Area Interlock 4. Valve Body 5. O-Ring Seal 6. Rubber Shims 7. Check Valve 8. Carrier Gas Outlet 9. Valve Spindle 10. Carrier Gas Inlet 11. Inlet Assembly 12. Injection Port Insert

Diagram of sample being thermally desorbed within a Gas Chromatograph's Injection Port

Direct Dynamic Thermal Desorption Device Injection Port Insert Gas Chromatograph Injection Port Gas Chromatograph Injection Port Heater Block Solid Sample Quartz Wool Glass Sample Tube Direction of Helium Carrier Gas Flow Bottom Seal of Injection Port Capillary Column O-Ring Seal Top of injection Port

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Electronic mail address
lavigne@mail.ims.uconn.edu

This page is maintained by Gary Lavigne

Last Update 8/6/96

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