normal align=center>锡精矿质量标准（YB736—82）

normal align=center>类别

normal align=center>品级

normal align=center>锡  （ω B）

normal align=center>不小于 %

normal align=center>杂质（ω B）不大于 %

normal align=center>S

normal align=center>P

normal align=center>Bi

normal align=center>Zn

normal align=center>Sb

normal align=center>Fe

normal align=center>一

normal align=center>类

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>七级品

normal align=center>八级品

normal align=center>65

normal align=center>60

normal align=center>55

normal align=center>50

normal align=center>45

normal align=center>40

normal align=center>35

normal align=center>30

normal align=center>0.4

normal align=center>0.5

normal align=center>0.6

normal align=center>0.8

normal align=center>1.0

normal align=center>1.2

normal align=center>1.5

normal align=center>1.5

normal align=center>0.3

normal align=center>0.4

normal align=center>0.5

normal align=center>0.6

normal align=center>0.7

normal align=center>0.8

normal align=center>1.0

normal align=center>1.0

normal align=center>0.10

normal align=center>0.10

normal align=center>0.15

normal align=center>0.15

normal align=center>0.20

normal align=center>0.20

normal align=center>0.30

normal align=center>0.30

normal align=center>0.4

normal align=center>0.5

normal align=center>0.6

normal align=center>0.7

normal align=center>0.8

normal align=center>0.9

normal align=center>1.0

normal align=center>1.0

normal align=center>0.2

normal align=center>0.3

normal align=center>0.4

normal align=center>0.4

normal align=center>0.5

normal align=center>0.6

normal align=center>0.7

normal align=center>0.8

normal align=center>5

normal align=center>7

normal align=center>9

normal align=center>12

normal align=center>15

normal align=center>16

normal align=center>17

normal align=center>18

normal align=center>二

normal align=center>类

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>七级品

normal align=center>八级品

normal align=center>65

normal align=center>60

normal align=center>55

normal align=center>50

normal align=center>45

normal align=center>40

normal align=center>35

normal align=center>30

normal align=center>1.0

normal align=center>1.5

normal align=center>2.0

normal align=center>2.5

normal align=center>3.0

normal align=center>3.5

normal align=center>4.0

normal align=center>5.0

normal align=center>0.4

normal align=center>0.5

normal align=center>1.0

normal align=center>1.5

normal align=center>2.0

normal align=center>2.5

normal align=center>3.5

normal align=center>4.0

normal align=center>0.40

normal align=center>0.50

normal align=center>0.60

normal align=center>0.80

normal align=center>1.0

normal align=center>1.2

normal align=center>1.4

normal align=center>1.5

normal align=center>0.8

normal align=center>0.9

normal align=center>1.0

normal align=center>1.2

normal align=center>1.4

normal align=center>1.6

normal align=center>1.8

normal align=center>2.0

normal align=center>0.4

normal align=center>0.5

normal align=center>0.6

normal align=center>0.7

normal align=center>0.8

normal align=center>0.9

normal align=center>1.0

normal align=center>1.2

normal align=center> 

normal align=center>7

normal align=center>9

normal align=center>12

normal align=center>15

normal align=center>16

normal align=center>17

normal align=center>18

注1：一类是直接入炉锡精矿产品，二类是冶炼前需加工处理的锡精矿产品。

注2：锡精矿中铅、钨为有价元素，应提出分析数据。

注3：自产自用锡精矿产品，可自订企业标准执行。