Product No. | Product name | specifications |
1.01890.010 | Potassium metabisulfite | AR500g |
1.01890.020 | Potassium metabisulfite CP500g | |
1.01890.040 | Potassium metabisulfite | Spec25kg |
Item | AR | CP |
Assay(K2S2O5) | ≥95.0% | ≥94.0% |
Clarity of solution | Pass | Pass |
Insoluble matter in water | ≤0.005% | ≤0.02% |
Chloride(Cl) | ≤0.005% | ≤0.01% |
Iron(Fe) | ≤0.0005% | ≤0.002% |
Arsenic(As) | ≤0.0001% | ≤0.0003% |
Heavy metals(as Pb) | ≤0.001% | ≤0.002% |