ISO 7766:2003Published

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

Effluents de traitement photographique — Analyse des cyanures — Détermination de l'hexacyanoferrate (II) et de l'hexacyanoferrate (III) par spectrométrie

Abstract / 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

Replaces

ISO 7766-1:1993WithdrawnPhotography — Processing wastes — Analysis of cyanides — Part 1: Determination of hexacyanoferrate(II) and hexacyanoferrate(III) by spectrometryInternational Standard · Published 21 Jan 1993 · ISO/TC 42