Analytical chemical sampling system with sparge vessel

Details Analytical chemical sampling system with sparge vessel Analytical chemical sampling system with sparge vessel

2008-02-27

2011-12-13

Marcheschi, Michael (Department: 1775)

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Means for analyzing gas sample

C422S067000, C073S023200, C073S863110

Reexamination Certificate

active

08075842

ABSTRACT:
A purge and trap concentrator system that includes a sparge vessel, and includes a variable gas flow valve for controlling the gas pressure in an analytic trap or the sparge vessel; a sensor that detects both a foaming sample state and a high liquid level in the sparge vessel, using one optical sensor; a control scheme that re-directs the purge gases to a second inlet of the sparge vessel during a foaming condition; a control scheme that uses a split flow to enhance the quantity of sample gases passed from an analytic trap; an electrically powered thermal energy source with a fan raising the sparge vessel temperature via thermal convection.

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