| ≥1 piece |
|
No
|
Specifications
|
Food Grade
|
|
1
|
Main contents%≥
|
98.0
|
|
3
|
PH value of 1% solution
|
8.8-9.2
|
|
4
|
Loss on drying%≤
|
1.0
|
|
5
|
Heavy metal, as Pb%≤
|
0.001
|
|
6
|
Arsenic, as As%≤
|
0.0001
|
|
7
|
Fluoride as F%≤
|
0.003
|
|
8
|
Water insoluble%≤
|
0.10
|
|
CONTENT ,%
|
98-100.5
|
98.4
|
|
PH VALUE
|
8.7-9.3
|
8.8
|
|
CHLORIDE
|
LESS THAN 0.011
|
LESS THAN 0.011
|
|
SULFATE
|
LESS THAN 0.2
|
LESS THAN 0.2
|
|
ARSENIC
|
LESS THAN 2PPM
|
LESS THAN 1PPM
|
|
HEAVY METAL AS Pb
|
LESS THAN 20PPM
|
LESS THAN 20PPM
|
|
LOSS ON DRYING
|
LESS THAN 1
|
0.4
|