标准摘要
[中文适用范围]: 通过用硫硝混合物消化和将磷酸盐转化为正磷酸盐来破坏有机物质。 磷钼酸盐的形成。 测量波长 825 nm 处的蓝色强度。 该方法适用于含量不超过 5% (m/m) 的情况。 [外文原描述]: 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).
英文名称Starches and derived products — Determination of total phosphorus content — Spectrophotometric method