检测项目
|
优级品
|
一级品
|
主含量, %
|
99.6
|
99.0
|
铅含量, ppm
|
5
|
50
|
铁含量, ppm
|
1
|
20
|
砷含量, ppm
|
40
|
100
|
Description
|
Super
|
Grade 1
|
SnCl4,5H2O%
|
99.6min
|
99.0min
|
Pb, ppm
|
5max
|
50max
|
Fe , ppm
|
1max
|
20max
|
As , ppm
|
40max
|
100max
|