HOME > Product > Strong Items > 19. Sodium Metabisulfite

Item Specification Results
Appearance White or slight-yellow crystalline powder Slight-yellow crystalline powder
Assay (As Na2S2O5) > = 98.0% 98.98%
Iron (As Fe) Clarity < = 0.005%
Slight - turbidity
0.0028%
Slight - turbidity
Heavy metals (As Pb) < = 0.001% < 0.001%
Arsenic < = 0.0002% < 0.0002%
PH 4.91
Conclusion Conform