| ≥1 piece |
|
Item
|
GB 17203-1998
|
|
Appearance
|
White Powder
|
|
Content (as Ca)
|
98.0-100.5
|
|
Arsenic ≤ %
|
0.0003
|
|
Lead (Pb)
|
0.0005
|
|
Fluoride (as F) ≤ %
|
0.003
|
|
Heavy Metal(Pb) ≤%
|
0.002
|
|
Weight losson ignition ≤ %
|
10.0-13.3
|
|
hydrochloric acid insoluble %
|
0.2
|