中国科学院化工冶金研究所近日向社会推出一项专利技术———表面包覆金属化合物的纳米氧化锌粉体及制备方法。该发明专利属于无机纳米材料领域。其球状粒径为 50～ 90ｎｍ ,包覆层的厚度为 2～ 10ｎｍ。具体制备方法是首先把锌的可溶性盐溶液加入到可溶性碳酸盐溶液中 ,得到白 Institute of Chemical Metallurgy, Chinese Academy of Sciences recently introduced to the community a patented technology --- nano-zinc oxide coated metal surface powder and preparation methods. The invention patent belongs to the field of inorganic nanomaterials. The spherical particle size is 50 to 90 nm, and the thickness of the cladding is 2 to 10 nm. The specific preparation method is to first add the soluble salt solution of zinc to the soluble carbonate solution to obtain white