标准摘要
[中文适用范围]: 该方法适用于磷含量为 0.02 至 0.5% (m/m) 的产品。 ISO 4293 应与 ISO 4297 一起阅读。 规定了原理、试剂、仪器、样品、程序和结果的表达。 [外文原描述]: The method is applicable to products having phosphorus contents from 0,02 to 0,5 % (m/m). ISO 4293 should be read in conjunction with ISO 4297. Specifies principle, reagents, apparatus, sample, procedure and expression of results.
英文名称Manganese ores and concentrates — Determination of phosphorus content — Extraction-molybdovanadate photometric method