Methods for chemical analysis of tantalum and niobium ores--Determination of niobium content--Preconcentration and separation with silica gel-thiocyanate extraction photometric method
基本信息
标准号:
GB/T 17415.2-1998
名称:
钽矿石、铌矿石化学分析方法 硅胶富集分离-硫氰酸盐萃取光度法测定铌量
英文名称:
Methods for chemical analysis of tantalum and niobium ores--Determination of niobium content--Preconcentration and separation with silica gel-thiocyanate extraction photometric method