ISO 3627:2001
Photography - Processing chemicals - Specifications for anhydrous sodium metabisulfite

Standard No.

ISO 3627:2001

Release Date

2001

Published By

International Organization for Standardization (ISO)

Latest

ISO 3627:2001

Scope

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.

ISO 3627:2001 history

• 2001 ISO 3627:2001 Photography - Processing chemicals - Specifications for anhydrous sodium metabisulfite
• 1994 ISO 3627:1994 Photography - Processing chemicals - Specifications for anhydrous sodium metabisulfite
• 1976 ISO 3627:1976 Photographic grade sodium metabisulphite, anhydrous; Specification