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ISO 7766:2003

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

Jun 19, 2003

General information

90.93     Dec 20, 2023

ISO

ISO/TC 42

International Standard

37.040.30     13.030.30  

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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

WITHDRAWN
ISO 7766-1:1993

NOW

PUBLISHED
ISO 7766:2003
90.93 Standard confirmed
Dec 20, 2023