采用液相化学还原法,以亚硫酸钠为还原剂,制备了0.8μm至6μm不同粒径范围的超细氧化亚铜粉末,其纯度达98%以上.研究了该法的制备工艺及较佳工艺条件. The liquid phase chemical reduction method and sodium sulfite as reductant were used to prepare ultrafine cuprous oxide powder with different particle size range from 0.8μm to 6μm with a purity of more than 98% .The preparation process and optimum process conditions were studied .