Taiwan Provincial Standard of the People's Republic of China
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CNS 6933-1981
Scope
This standard is applicable to various test methods for the ignition residual amount, volatilization amount and drying loss, heavy metal content, iron content, content of main photographic ingredients and liquid testing of photographic pharmaceuticals.
CNS 6933-1981 history
1981CNS 6933-1981 Method of Test for Photographic Grade Chemical