ISO 7766:2003

Processing photographic wastes — Analysis of cyanides — Determination of hexacyanoferrate (II) and hexacyanoferrate (III) by spectrometry

Publication date: Jun 19, 2003

General information

Current stage: 90.20 Effective date: Jan 15, 2023

Originator: ISO

Owner: ISO/TC 42

Type: International Standard

ICS: 37.040.30 13.030.30

Languages: English

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Status: Published

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Scope

ISO 7766:2003 establishes a test method for the determination of hexacyanoferrate(II) (ferrocyanide) and hexacyanoferrate(III) (ferricyanide), referred to hereafter as Fe(CN)6, in photographic processing effluents. Results are reported as hexacyanoferrate, Fe(CN)6.

Life cycle

PREVIOUSLY

Revises
ISO 7766-1:1993

NOW

PUBLISHED
ISO 7766:2003
90.20 Standard under periodical review
Jan 15, 2023

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