ISO 2460-1973 工业用碳酸氢钠 铁含量的测定 1,10-菲罗啉光度法

标准号：ISO 2460-1973
中文标准名称：工业用碳酸氢钠 铁含量的测定 1,10-菲罗啉光度法
英文标准名称：Sodium hydrogen carbonate for industrial use; Determination of iron content; 1,10- Phenanthroline photometric method
标准类型：G10
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：G10
国际标准分类号：71.060.50
适用范围：The method is applicable to products having a content equal to or greater than 0,1 mg/kg. The principle concists in reduction of the iron(III) by hydroxylammoniumchloride. Formation of a iron(II)-1,10-phennanthroline complex in a buffered solution. Photometric measurement of the coloured complex at a wavelength of about 510 nm.