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

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.