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International Standard Category: Photographic chemicals

GB/T 12938-1991    Determination of thiosulphate and other related residual chemicals in processed Photographic materials-Iodine-amylose, methylene blue and silver sulphide densitometric methods
已加工的摄影材料中硫代硫酸盐及其他相关化学残留物的测定方法 碘--直链淀粉法.亚甲蓝法和硫化银密度法;
Category No.:37.040.30 Valid Status:valid
Issued Organization:CSBTS Issued Date:1991-5-22
Implemented Date:1992-4-1 Abolished Date:
Superseded Standard.: Superseded Date:
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