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

ISO-10349-5 - 1ST EDITION - CURRENT


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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.

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Document Number

ISO 10349-5:1992

Revision Level

1ST EDITION

Status

Current

Publication Date

Dec. 15, 1992

Committee Number

ISO TC 42/WG 6