ISO 3946-1982 淀粉和淀粉制品 总磷含量的测定 分光光度法

标准号：ISO 3946-1982
中文标准名称：淀粉和淀粉制品 总磷含量的测定 分光光度法
英文标准名称：Starches and derived products; Determination of total phosphorus content; Spectrophotometric method
标准类型：X10
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：X10
国际标准分类号：67.180.20
适用范围：Destruction of the organic substances by digestion with a sulpho-nitric mixture and conversion of phosphates to orthophosphates. Formation of a phosphomolybdate. Measurement of the intensity of the blue colour at a wavelength of 825 nm. The method applies to contents up to 5 % (m/m).