ISO 3619:1994-Photography — Processing chemicals — Specifications for ammonium thiosulfate solution
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Standard´s number:
ISO 3619:1994
Pages:
4
Edition:
2
Released:
1994
Language:
English
DESCRIPTION
ISO 3619:1994
Cancels and replaces the first edition (1976). Establishes criteria for the purity of photographic-grade ammonium thiosulfate solution and specifies the tests to be used to determine the purity.
