Dosimeter for measuring exposure to hydrazine and hazardous hydr

Details Dosimeter for measuring exposure to hydrazine and hazardous hydr Dosimeter for measuring exposure to hydrazine and hazardous hydr

1986-09-09

1988-10-25

Richman, Barry S.

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Calorimeter

422 58, 422 88, 436106, 436902, G01N 3122, G01N 3322

Patent

active

047802820

ABSTRACT:
A dosimeter for collecting vapors and gases of hydrazine and of hazardous derivatives of hydrazine such as monomethylhydrazine and 1,1-dimethylhydrazine, employs a housing with a perforated cover. Situated inside the housing is a removable disk on which is coated a solution of citric acid in methanol. The solution initially contains 20% to 30% of citric acid monohydrate dissolved in methanol and the solution is permitted to age for seven or eight days before being coated on to the disk.

REFERENCES:
patent: 3455656 (1969-07-01), Roberts et al.
patent: 3985017 (1976-10-01), Goldsmith
patent: 4256694 (1981-03-01), McAllister et al.
Leichnitz, Detector Tube Handbook, Drager, Lubeck, Germany (1979) 4th Ed., p. 84.

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