Method for chemical analysis of rare earth ores—Determination of separated rare earth content—Preconcentration and separation by cation exchange resin,ICP-AES method
Methods for chemical analysis of Lithium、Rubidium and Cesium ores—Determination of Lithium content—Flame atomic absorption/emission spectrophotometric method
Methods for chemical analysis of Tantalum and Niobium ores—Determination of Niobium content—Preconcentration and separation with silica gel—Thiocyanate extraction photometric method
Methods for chemical analysis of Tantalum and Niobium ores—Determination of Tantalum content—Preconcentration and separation with silica gel-Butyl rhodamine B extraction photometric method