normal align=center>铜精矿质量标准

normal align=center>品级

normal align=center>Cu质量分子数不小于 %

normal align=center>杂质质量分子数不大于 %

normal align=center>As

normal align=center>Pb+Zn

normal align=center>Mg

normal align=center>Bi

normal align=center>一级品

normal align=center>30

normal align=center>0.05

normal align=center>2

normal align=center>1

normal align=center>0.05

normal align=center>二级品

normal align=center>25

normal align=center>0.20

normal align=center>5

normal align=center>3

normal align=center>0.20

normal align=center>三级品

normal align=center>20

normal align=center>0.30

normal align=center>8

normal align=center>4

normal align=center>0.30

normal align=center>四级品

normal align=center>13

normal align=center>0.40

normal align=center>12

normal align=center>5

normal align=center>0.50

normal align=center>注：铜精矿中金、银、硫为有价元素，应报分析数据