≥1 piece |
No
|
Item
|
standard
|
Index
|
1
|
Concentration
|
98% Min
|
98.1 %
|
2
|
Appearance
|
White powder
|
White powder
|
3
|
Ca Content
|
30.1% Min
|
30.3%
|
4
|
Heavy Metal(Pb)
|
20ppm Max
|
15ppm
|
5
|
As
|
20ppm Max
|
10ppm
|
6
|
Non-solubles
|
0.5% Max
|
0.4%
|
7
|
Dry-loss
|
1% Max
|
0.8%
|
8
|
PH of 10% solution
|
6.5-8
|
7.2
|
Analysis Method: GB 8076-1997
|