DIN EN ISO 18412-2007
水质.铬(VI)测定.弱污染水的光度测定法

Water quality - Determination of chromium(VI) - Photometric method for weakly contaminated water (ISO 18412:2005); English version of DIN EN ISO 18412:2007-02

标准号

DIN EN ISO 18412-2007

发布日期

2007年02月

实施日期

废止日期

无

中国标准分类号

Z16

国际标准分类号

13.060.50

发布单位

DE-DIN

引用标准

ISO 3696 ISO 5667-1 ISO 5667-2 ISO 5667-3 ISO 8466-1

被代替标准

DIN EN ISO 18412-2006

适用范围

This International Standard specifies a method for the determination of chromium(VI) in drinking water in mass concentrations between 2 ug/1 and 50 ug/1. For the determination of higher concentrations, the sample is diluted prior to analysis. The method may also be applied to weakly polluted ground and surface water, provided the matrix does not contain interfering reducing agents. This method has not been verified for estuarine water and seawater, so the user is responsible for the validation of the method for these matrices. The photometric determination of chromium(VI) in waste water is carried out according to ISO 11083, Water quality— Determination of chromium(VI) — Spectrometric method using 1,5-diphenylcarbazide.