标准摘要
[中文适用范围]: 本方法适用于含量大于1g/kg的产品。 它包括灰化测试部分,用盐酸处理灰分,使钙沉淀为草酸钙,将沉淀物溶解在硫酸中,并用标准体积的高锰酸钾溶液滴定所形成的草酸。 [外文原描述]: The method is applicable to products having contents greater than 1 g/kg. It consists in ashing of a test portion, treatment of the ash with hydrochloric acid and precipitation of the calcium as calcium oxalate, dissolution of the precipitation in sulfuric acid and titration with standard volumetric potassium permanganate solution of the oxalic acid formed.
英文名称Animal feeding stuffs — Determination of calcium content — Part 1: Titrimetric method