This standard was last reviewed and confirmed in 2020. Therefore this version remains current.
Establishes criteria for the purity of photographic-grade anhydrous sodium acetate and describes the tests to be used to determine the purity. The test methods are concerned with assay, insoluble matter content, heavy metals content, iron content, halides content, alkalinity, acidity, appearance of solution.
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|std 1 40|
|std 2 40||Paper|
A standard is reviewed every 5 years
Stage: 90.93 (Confirmed)
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