Composition useful for detecting H.sub.2 S

Details Composition useful for detecting H.sub.2 S Composition useful for detecting H.sub.2 S

1979-08-15

1981-07-21

Turk, Arnold

Compositions

Nonreactive analytical, testing, or indicating compositions

422 87, 422 56, G01N 3122

Patent

active

042797730

ABSTRACT:
An indicator device useful for detecting H.sub.2 S is disclosed. This detector utilizes a polymer having a permeation constant of at least 5.times.10.sup.-9 cm.sup.3 H.sub.2 S.multidot.cm thickness/(cm.sup.2 area.multidot.sec.multidot.cm Hg) with an incorporated lead containing compound at concentration levels of at least 10 weight percent. These compositions are useful for detecting hydrogen sulfide in concentrations as low as approximately 10 parts per billion by volume, or concentrations of approximately 1 part per million in relatively short periods, e.g., five minutes, and are utilizable for quantitative measurements of H.sub.2 S concentration.

REFERENCES:
patent: 2895807 (1959-07-01), Sorg et al.
patent: 3607093 (1971-09-01), Stone
patent: 3723064 (1973-03-01), Liotta
patent: 3985017 (1976-10-01), Goldsmith
patent: 4019865 (1977-04-01), Sinclair et al.
patent: 4168146 (1979-09-01), Grubb et al.
Altieri, "Gas Analysis-1st Edition", American Gas Association, Inc. New York, 1945, p. 353.

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