normal align=center>硫化锑精矿标准（YB2419—82）

normal align=center>类别

normal align=center>品级

normal align=center>锑（ω B）不小于 %

normal align=center>杂质（ω B）不大于 %

normal align=center>As

normal align=center>Pb

normal align=center>粉精矿

normal align=center>一级品

normal align=center>二级品

normal align=center>三级品

normal align=center>四级品

normal align=center>55

normal align=center>45

normal align=center>35

normal align=center>30

normal align=center>0.6

normal align=center>0.6

normal align=center>0.4

normal align=center>0.4

normal align=center>0.15

normal align=center>0.15

normal align=center>0.15

normal align=center>0.15

normal align=center>块精矿

normal align=center>一级品

normal align=center>二级品

normal align=center>三级品

normal align=center>四级品

normal align=center>五级品

normal align=center>六级品

normal align=center>60

normal align=center>50

normal align=center>40

normal align=center>30

normal align=center>20

normal align=center>10

normal align=center>0.6

normal align=center>0.6

normal align=center>0.4

normal align=center>0.4

normal align=center>0.2

normal align=center>0.2

normal align=center>0.15

normal align=center>0.15

normal align=center>0.15

normal align=center>0.15

normal align=center>0.10

normal align=center>0.10

注1：硫化锑中的含锑量与精矿中总含锑量之比大于85％