SSH ISO 7766-1:2000

Photography — Processing wastes — Analysis of cyanides — Part 1: Determination of hexacyanoferrate(II) and hexacyanoferrate(III) by spectrometry

Publication date: Jan 1, 2000

General information

Current stage: 60.60 Effective date: Jan 1, 2000

Originator: DPS

Owner: DPS/KT 230

Type: International Standard

ICS: 37.040.30 13.030.30

Languages: English

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Status: Published

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Scope

The principle of the test method specified is treating a sample of effluent, or diluted effluent, with a mixture of iron(II) and iron(III) ions. If Fe(CN)6 is present, a blue suspension will form. In the range of 1,0 mg/l to 10,0 mg/l, this suspension is stable and its absorbance is linear with its concentration. The absorbance is measured with a spectrometer, and the concentration determined from a previously established calibration.

Life cycle

NOW

PUBLISHED
SSH ISO 7766-1:2000
60.60 Standard published
Jan 1, 2000

Related project

Adopted from ISO 7766-1:1993

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