Silver nitrite reactant for measuring SO.sub.2

Details Silver nitrite reactant for measuring SO.sub.2 Silver nitrite reactant for measuring SO.sub.2

1975-03-21

1976-08-31

Yudkoff, Norman

Chemistry: physical processes

Physical processes

Crystallization

23232E, 23254R, 23255E, 204195S, 250361C, 356181, 423400, G01N 3100, G01N 3122, G01N 2700, G01N 2726

Patent

active

039778304

ABSTRACT:
Sulphur dioxide is reacted with silver nitrite at room temperature to release nitrogen dioxide in a known ratio and the nitrogen dioxide may, then, be measured as an indication of the presence and amount of sulphur dioxide.

REFERENCES:
patent: 3578406 (1971-05-01), Cho et al.
patent: 3647392 (1972-03-01), McGinnis
patent: 3677708 (1972-07-01), Harman et al.
Mellor, J. W., "A Comprehensive Treatise on Inorganic and Theoretical Chemistry," vol. VIII, p. 483, (1947).

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