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EVS-EN ISO 23913:2009

Water quality - Determination of chromium(VI) - Method using flow analysis (FIA and CFA) and spectrometric detection

Üldinfo
Kehtiv alates 03.12.2009
Alusdokumendid
ISO 23913:2006; EN ISO 23913:2009
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Staatus
Kuupäev
Tüüp
Nimetus
03.12.2009
Põhitekst
This International Standard specifies flow injection analysis (FIA) and continuous flow analysis (CFA) methods for the determination of chromium(VI) in various types of water. The method applies to the following mass concentration ranges. FIA:  20 µg/l to 200 µg/l and 200 µg/l to 2 000 µg/l for surface water, leachates and waste water. CFA:  2 µg/l to 20 µg/l and 20 µg/l to 200 µg/l for drinking water, ground water, surface water, leachates and waste water. The range of application may be changed by varying the operating conditions. Seawater may be analysed by these methods with changes in sensitivity and after adaptation of the reagent and calibration solutions to the salinity of the samples.
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