|
Item |
Standard |
|
Assay |
≥10.0% (test method:UV) |
|
Loss on Drying: |
≤8.0 % |
|
Sieve Analysis |
100% through
Sieve No.20(US) |
|
Heavy Metal |
≤10mg/kg |
|
Arsenic |
≤2mg/kg |
|
Pb |
≤2mg/kg |
|
Cd |
≤1mg/kg |
|
Hg |
≤0.1mg/kg |
|
Al |
≤5000mg/kg |
|
Dichloromethane |
≤50 mg/kg |
