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See Chinese contents: XB/T 619-2015 XB/T 619-2015: Chemical analysis methods of ion type rare earth ore. Determination of total rare earth ion phase
This Standard specifies the method for determining total rare earth ion phase in ion type rare earth ore. This Standard is applicable to the determination of total rare earth ion phase in ion type rare earth ore. It includes 3 methods: Method 1 Inductively Coupled Plasma Mass Spectrometry; Method 2 Inductively Coupled Plasma Atomic Emission Spectrometry and Method 3 EDTA Volumetric Method.
