BSI BS ISO 424:1994

Current Revision
Photography. Processing chemicals. Specification for anhydrous sodium carbonate and sodium carbonate monohydrate

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BSI BS ISO 424:1994

Photography. Processing chemicals. Specification for anhydrous sodium carbonate and sodium carbonate monohydrate

PUBLISH DATE 1995
BSI BS ISO 424:1994

This International Standard establishes criteria for the purity of photographic-grade anhydrous sodium carbonate and sodium carbonate monohydrate.

It specifies the test methods to be used to determine the purity.

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