ISO-3627 Historical Revision Information
Photography - Processing Chemicals - Specifications for Anhydrous Sodium Metabisulfite

ISO-3627 - 2ND EDITION - SUPERSEDED
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This International Standard establishes criteria for the purity of photographic-grade anhydrous sodium metabisulfite and specifies the tests to be used to determine the purity.

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37.040.30 (Photographic chemicals)

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Document Number

ISO 3627:1994

Revision Level

2ND EDITION

Status

Superseded

Publication Date

Nov. 1, 1994

Committee Number

ISO/TC 42