Customization: | Available |
---|---|
CAS No.: | 7681-57-4 |
Formula: | Na2s2o5 |
Still deciding? Get samples of US$ 1/Piece
Request Sample
|
Suppliers with verified business licenses
Audited by an independent third-party inspection agency
Item |
Quality Index
|
|
Food Grade
|
Industry Grade
|
|
Purity ( As Na2S2O5) |
98.0% min
|
97.0% min
|
( SO2) |
65.0% min
|
65.0% min
|
( As ) |
0.0002% max
|
-
|
Heavy metals ( As Pb ) |
0.0005% max
|
-
|
(Se ) |
0.0005% max
|
-
|
Iron (Fe) |
0.001% max
|
0.002% max
|
Water insoluble |
0.02% max
|
0.05% max
|
PH value : |
4.0-4.8
|
4.0-4.8
|
Remark : |
Conformed with FCC V and E 223 Standard |