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US 2003/0170902 A1Published application
Automated environmental analytic system with improved sample throughput
OwnerEric T. Heggs, Martin B. Motz +1inventors
InventorsEric T. Heggs, Martin B. Motz, David M. Neal
Life of this patent
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Abstract
A system for analyzing samples using purge and trap concentration is provided. The system includes a plurality of purge and trap concentration units, each adapted to receive a sample and provide a focused analytic sample slug to an analyzer. An analyzer is coupled to each of the plurality of concentrators and receives the focused analytic slugs therefrom. The concentrators are operated in phases from one another.
Claims15
An automated system for analyzing samples, the system comprising:
- a first purge and trap concentrator configured to receive a first sample stream;
- a second purge a trap concentrator configured to receive a second sample stream;
- and
- an analyzer coupled to the first and second concentrators, the analyzer receiving a first focussed analytic slug from the first during a first state, and a second focussed analytic slug from the second concentrator during a second state.
1 more element
A method of analyzing samples, the method comprising:
- purging a first sample stream onto a first trap to concentrate the first sample stream upon the first trap;
- desorbing the first concentrated sample from the first trap to an analyzer and analyzing the first concentrated sample while purging a second sample stream onto a second trap to concentrate the second sample stream upon the second sample trap;
- desorbing the second concentrated sample from the second trap to the analyzer and analyzing the second concentrated sample.
Dependencies are inferred from the claim text.