Molecular formula: NaHSO₃
Molecular weight: 104.07
SO₂Content: 64～67
Water insoluble matter : ≤0.01
Chloride (Cl): ≤0.005
Heavy metal (as Pb): 0.0005
Iron (Fe) : ≤0.002
Arsenic (As): ≤0.0001
PH value (50g/L solution): 4.0～5.0
Packing: 25KG woven bag
Specifications: refined product

SO₂Content: 64～67
Water insoluble matter : ≤0.03
Chloride (Cl): ≤0.05
Heavy metal (as Pb) : 0.001
Iron (Fe) : ≤0.004
Arsenic (As) : ≤0.0002
PH value (50g/L solution): 4.0～5.0
Specifications: industrial grade
Packing: 25KG woven bag