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).