|
項(xiàng)目
|
醫(yī)藥級(jí)
|
飼料級(jí)
|
干基含量
|
99.0%~100.50%
|
98%
|
As%
|
≤1ppm
|
≤2ppm
|
重金屬%(Pb):
|
≤10ppm
|
≤10ppm
|
灼燒殘?jiān)?/div>
|
0.1%
|
0.2%
|
干燥失重
|
≤2%
|
≤2%
|