NAPM IT4.205 : 84(R1995)
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
PHOTOGRAPHY (CHEMICALS) - 5-METHYLBENZOTRIAZOLE
14-01-2002
12-01-2013
Establishes criteria for the purity of photographic-grade 5-methylbenzotriazole and describes the tests to be used to determine the purity.
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