Procedure and apparatus for programmed thermal desorption

Details Procedure and apparatus for programmed thermal desorption Procedure and apparatus for programmed thermal desorption

1993-07-12

1995-03-28

Gutierrez, Diego F. F.

Measuring and testing

Gas analysis

With compensation detail

374 45, G01N 3000, G01N 2500

Patent

active

054006422

ABSTRACT:
Method and apparatus for thermal desorption wherein a carrier liquid is circulated around a desorption chamber when a sample to be desorbed in heated, whereby the desorbed substance is dissolved into the carrier liquid for transport to a region where the substance is analyzed. The carrier liquid circulation is performed at high pressure sufficient to maintain the carrier liquid in the liquid phase during heating of the sample.

REFERENCES:
patent: 4994158 (1991-02-01), Kiimalainen et al.
patent: 5131260 (1992-07-01), Brand et al.
patent: 5268302 (1993-12-01), Rounbehler et al.

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