Thermal desorption (TD) is used to analyze volatile and semi-volatile organic compounds (VOC and SVOC) in environmental, food, forensics, defense, consumer, and other application areas. It combines sample preparation, extraction, and injection into a single automated process.
TD systems from Markes International, combined with Agilent GC and GC/MS systems, offer the sensitivity and dynamic range you need to to meet current regulations and future needs.
Quantitative sample re-collection of all split flows enables repeat analysis of critical samples, easy method validation, and overcomes the one-shot limitation of conventional TD systems
Capacity of up to 100 tubes and the ability to use overlap mode provide enhanced throughput
Configurations for 14-channel canister or 3-channel on-line, with 100-tube automation available for ultimate flexibility on one TD-GC-MS system
Electronic tube tagging (TubeTAG™): RFID tags for simplified chain of custody are available for industry standard sorbent tubes
Diffusion locking (DiffLok™) for enhanced sample integrity and robust (mechanically simple) automation
Patented inert valving for compatibility with every TD application on a single analytical platform – ultra-volatiles, semi-volatiles (up to n-C44) plus reactive species such as mercaptans, CS gas, etc. – all on one TD system
Automated internal standard introduction onto blank as well as sampled tubes, or onto the focusing cold trap
Electronic pneumatics control (EPC) of carrier gas through the thermal desorber ensures consistent compound retention time independent of split flow
Options : for gas chromatography
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