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ISO 10349-5:1992

Photography -- Photographic-grade chemicals -- Test methods -- Part 5: Determination of heavy metals and iron content
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ISO 10349-5:1992

Photography -- Photographic-grade chemicals -- Test methods -- Part 5: Determination of heavy metals and iron content

ISO 10349-5:1992

The method is based on preparation of test samples and heavy metals standard solutions, preconditioning them, addition of sodium sulfide solution (for determination of heavy metals) or 1,10-phenanthroline reagent (for determination of iron), dilution with water, mixing well, transfer to two Nessler colour-comparison cylinders, and comparing the colour of both solutions.

SDO ISO: International Organization for Standardization
Document Number ISO 10349
Publication Date Not Available
Language en - English
Page Count
Revision Level
Supercedes
Committee ISO TC 42/WG 6
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