GB/T 22399-2008
Photography.Processing chemicals.Specifications for sodium hydroxide (English Version)
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GB/T 22399-2008
Standard No.
GB/T 22399-2008
Language
Chinese,
Available in English version
Release Date
2008
Published By
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest
GB/T 22399-2008
Scope
This standard specifies the purity requirements and test methods for the photographic grade chemical sodium hydroxide (hazard: "C").
GB/T 22399-2008 Referenced Document
GB/T 20432.1-2006
Photography.Photographic-grade chemicals.Test methods.Part 1:General
GB/T 20432.5-2007
Photography Photographic-grade chemicals-Test methods- Part 5: Determination of heavy metals and iron content
GB/T 20432.6-2008
Photography.Photographic-grade chemicals.Test methods.Part 6:Determination of halied content
GB/T 20432.7-2007
Photography Photographic-grade chemicals Test methods- Part 7: Determination alkalinity or acidity
GB/T 22399-2008 history
2008
GB/T 22399-2008
Photography.Processing chemicals.Specifications for sodium hydroxide
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