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BSI BS ISO 17690:2015

Water quality. Determination of available free cyanide (pH 6) using flow injection analysis (FIA), gas-diffusion and amperometric detection
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BSI BS ISO 17690:2015

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

PUBLISH DATE 2015
PAGES 24
BSI BS ISO 17690:2015

This International Standard 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 (Figure A.1).

NOTEĀ 1 ISOĀ 2080:2008, 3.105, the concentration of available free cyanide as determined by a specified analytical method.

NOTEĀ 2 The detection limit for this method was determined by interlaboratory testing at the national level using ASTM International D6512 Practice for Interlaboratory Quantitation Estimate.

NOTEĀ 3 Free cyanides according to ISOĀ 14403 and ISOĀ 17690 are not equivalent.

In this method, two suitable mass concentration ranges from 5 µg/l to 50 µg/l and from 50 µg/l to 500 µg/l are described.

SDO BSI: British Standards Institution
Document Number ISO 17690
Publication Date March 31, 2015
Language en - English
Page Count
Revision Level
Supercedes
Committee EH/3/2
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