Indicator for detection of SO.sub.2 leakage

Details Indicator for detection of SO.sub.2 leakage Indicator for detection of SO.sub.2 leakage

1978-11-08

1980-09-16

Marantz, Sidney

Chemistry: physical processes

Physical processes

Crystallization

23230R, 23232R, 252408, 429 90, 116206, G01N 2106, G01N 2112

Patent

active

042227453

ABSTRACT:
A composition of matter comprising a mixture of (1) finely divided silica containing adsorbed potassium dichromate and (2) a polymeric adhesive material. The composition is particularly useful as an indicator for detecting the leakage of sulfur dioxide from cells and batteries.

REFERENCES:
G. D. Patterson, Jr. et al., Anal. Chem., 24(10), 1586-1590 (Oct. 1952).

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