ISO 10349:1992
ISO 10349:1992 Photography – Photographic-grade chemicals – Test methods – Part 5: Determination of heavy metals and iron content
CDN $82.00
Description
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.
Edition
1
Published Date
1992-12-30
Status
PUBLISHED
Pages
3
Language
English
Format
Secure PDF
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Abstract
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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