ISO 8542-1986 锰和铬矿石 评定质量波动的实验方法和检验取样精度的方法

标准号：ISO 8542-1986
中文标准名称：锰和铬矿石 评定质量波动的实验方法和检验取样精度的方法
英文标准名称：Manganese and chromium ores; Experimental methods for evaluation of quality variation and methods for checking the precision of sampling
标准类型：D32;D33
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：D32;D33
国际标准分类号：73.060.20;73.060.30
适用范围：Specifies experimental methods for the evaluation of quality variation of manganese and chromium ores, whether natural or processed, for the purpose of defining sampling procedure by the mass-basis systematic method and the two-stage method as specified in the relevant International Standards. It also specifies methods for checking the precision of sampling by the mass-basis systematic method and the two-stage method.