≥1 piece |
Items |
Industrial Grade |
Food Grade |
Sodium Metabisulphite (as SO 2 ) % ≥ |
64 |
65 |
iron Content %≤ |
0.005 |
0.005 |
Water insoluble %≤ |
0.05 |
0.05 |
Ph Value |
4.0-4.6 |
4.0-4.6 |
Heavy Metal(as Pb) %≤ |
0.001 |
0.001 |
AS %≤ |
0.0002 |
0.0002 |
Appearance |
White Crystal or Crystal Powder |