【国家标准】 碳酸轻稀土

This standard specifies the technical requirements,test methods,inspection rules,marking,packaging,transportation,storage and quality certificate of light rare earth carbonate.This standard is applicable to light rare earth carbonate prepared by chemical process using bastnaesite-monazite mixed concentrate as raw material,light rare earth carbonate mainly used for separating single rare earth product,preparing rare earth polishing materials,catalytic materials,mixed rare earth metals,etc.