ISO 418:2001-Photography — Processing chemicals — Specifications for anhydrous sodium sulfite
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Standard´s number:
ISO 418:2001
Pages:
7
Edition:
3
Released:
2001
Language:
English
DESCRIPTION
ISO 418:2001
This International Standard establishes criteria for the purity of photographic-grade anhydrous sodium sulfite and specifies the tests to be used to determine the purity.