类别

粒径/μm

质量分数/%

As/%

Hg/%

Sn/%

1

≥10

2.61

0.67

0.0052

58.9

2

2.5~10

23.27

0.92

0.0053

52.3

3

1~2.5

32.4

1.03

0.0050

49.31

4

≤1

41.72

1.26

0.0047

43.07

合计

/

100