Spectrometric microsampling gas cells

Details Spectrometric microsampling gas cells Spectrometric microsampling gas cells

1982-03-05

1983-12-13

Smith, Alfred E.

Radiant energy

Fluent material containment, support or transfer means

G01N 2100, G01N 2310

Patent

active

044206909

ABSTRACT:
A sample cell for absorption spectrometry of small volume samples in a continuously flowing carrier gas stream is in the form of an elongate small-bore hollow tube with optically transparent end windows -sealed to the tube and held so as to axially captivate the tube within a through-bore in a rigid, thermally conducting, holder. Radial openings through the tube proximate the window seal, together with matching bores in the holder, are provided to accommodate fluid transfer lines. The transfer lines are resiliently sealed to tube and holder to permit differential expansion between tube and holder.

REFERENCES:
Turnbull, M. S., "Non-Dispersive Infra-Red Gas Analyzers." Electronics and Instrumentation, vol. 2, No. 12, (Mar. 1972), pp. 11-15.
Saperstein, David D. "Analysis of the Gaseous Components of Reactions by Fourier Transform Infrared Spectrometry" Analytical Chemistry, vol. 52, No. 11 (Sep. 1980), pp. 1565-1570.

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