BS 3302:1978
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Specification for photographic grade sodium thiosulphate, anhydrous
Hardcopy , PDF
15-03-1995
English
28-04-1978
Chemical and physical requirements and test methods to establish levels of purity.
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