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

标准号：DIN EN ISO 18412-2007
中文标准名称：水质.铬(VI)测定.弱污染水的光度测定法
英文标准名称：Water quality - Determination of chromium(VI) - Photometric method for weakly contaminated water (ISO 18412:2005); English version of DIN EN ISO 18412:2007-02
标准类型：Z16
发布日期：1999/12/31 12:00:00
实施日期：1999/12/31 12:00:00
中国标准分类号：Z16
国际标准分类号：13.060.50
引用标准：ISO 3696;ISO 5667-1;ISO 5667-2;ISO 5667-3;ISO 8466-1
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.