Home / Standards / GB/T 14506.29-2010 GB/T 14506.29-2010 Active Methods for chemical analysis of silicate rocks - Part 29: Determination of 22 elements including rare earth elements 硅酸盐岩石化学分析方法 第29部分:稀土等22个元素量测定 Standard Type GBT ICS 73.080 CCS D53 Status 现行 Issue Date 2010-11-10 Implementation 2011-02-01 Responsible Dept 自然资源部(国土) Drafting Unit N/A