Colorimetric gas measuring device for fluorine

Details Colorimetric gas measuring device for fluorine Colorimetric gas measuring device for fluorine

1988-03-11

1990-06-12

Warden, Robert J.

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Sample mechanical transport means in or for automated...

422 55, 422 58, 422 86, 422 88, 436124, 436167, 436178, 436181, 436902, G01N 3122

Patent

active

049331442

ABSTRACT:
The invention is directed to a gas measuring device having a pretreatment device for converting the gas to be detected into a substance indicatable via a colorimetric indicator. The gas measuring device simplifies the detection of fluorine and includes a pretreatment device which has a chloride compound containing a metal of the first or second main groups of the periodic system and is exposed to the fluorine and has a chlorine indicator.

REFERENCES:
patent: 4052162 (1977-10-01), Clarke
patent: 4230457 (1980-10-01), Leichnitz
patent: 4259287 (1981-03-01), Leichnitz
Nebergall et al., College Chemistry, D. C. Heath and Company, 1976, p. 501-502.

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