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Active standard | Published: 30/12/1992
ISO 10349-5:1992
Photography — Photographic-grade chemicals — Test methods — Part 5: Determination of heavy metals and iron content
(Photographie — Produits chimiques de qualité photographique — Méthodes d´essai — Partie 5: Détermination des teneurs en métaux lourds et en fer)
Available languages: English
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Detail information
Designation: ISO 10349-5:1992
Publication date: 30/12/1992
Pages: 3
Country: International technical standard
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Description / 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.Popular Publishers
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