ISO 2460:1973

Sodium hydrogen carbonate for industrial use — Determination of iron content — 1,10- Phenanthroline photometric method

Publication date: Apr 1, 1973

General information

Current stage: 90.93 Effective date: Jul 19, 2019

Originator: ISO

Owner: ISO/TC 47

Type: International Standard

ICS: 71.060.50

Languages: French English

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Status: Published

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Scope

The method is applicable to products having a content equal to or greater than 0,1 mg/kg. The principle concists in reduction of the iron(III) by hydroxylammoniumchloride. Formation of a iron(II)-1,10-phennanthroline complex in a buffered solution. Photometric measurement of the coloured complex at a wavelength of about 510 nm.

Life cycle

NOW

PUBLISHED
ISO 2460:1973
90.93 Standard confirmed
Jul 19, 2019

REVISED BY

ABANDON
ISO/CD 2460

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