Packaging Detail:
|
25kg bag
|
Delivery Detail:
|
according to quantity
|
Name of index
|
GB17203-1998
|
FCC-4
|
USP-23
|
Appearance
|
White crystalli-ne powder
|
White crystalli-ne powder
|
White crystalline powder
|
Content, %
|
98.0-100.5
|
97.5-100.5
|
97.5 -100.5
|
As≤%
|
0.0003
|
-
|
0.0003
|
Fluoride,≤%
|
0.003
|
0.003
|
0.003
|
Heavy metals(As Pb) ,≤%
|
0.002
|
0.002
|
0.002
|
Loss on drying,%
|
10.0-13.3
|
10.0-14.0
|
10.0-13.3
|
Acid-insoluble substance,≤%
|
0.2
|
-
|
0.2
|
Clear grade
|
Accord with the test
|
-
|
-
|