ISO 10349-5:1992

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

Publication date: Dec 30, 1992

General information

Current stage: 90.93 Effective date: Jun 6, 2018

Originator: ISO

Owner: ISO/TC 42

Type: International Standard

ICS: 37.040.30

Languages: English

Buying

Status: Published

PDF - EC$120.40

Paper - EC$120.40

PDF and Paper - EC$240.80

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Scope

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.

Life cycle

NOW

PUBLISHED
ISO 10349-5:1992
90.93 Standard confirmed
Jun 6, 2018

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