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ISO 17690:2015

Water quality — Determination of available free cyanide (pH 6) using flow injection analysis (FIA), gas-diffusion and amperometric detection

Mar 6, 2015

General information

90.93     Dec 3, 2025

ISO

ISO/TC 147/SC 2

International Standard

13.060.50  

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Scope

ISO 17690:2015 specifies methods for the determination of available free cyanide at pH 6 in various types of water (such as ground, drinking, surface, leachate, waste water, and metallurgical processing waste water) with cyanide concentrations from 5 µg/l to 500 µg/l expressed as cyanide ions in the undiluted sample. The range of application can be changed by varying the operation conditions, e.g. by using a different injection volume.

Life cycle

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PUBLISHED
ISO 17690:2015
90.93 Standard confirmed
Dec 3, 2025