GB/T 12938-1991

Determination of thiosulphate and other related residual chemicals in processed photographic materials--Iodine-amylosemethylene blue and silver sulphide densito-metric methods

NORMA vydána dne 22.5.1991

The information about the standard:

Designation standards: GB/T 12938-1991
Publication date standards: 22.5.1991
Country: Chinese technical standard
Kategorie: Technické normy GB