SZSE：002741
| 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% |
光华科技微信公众号
Metal Compounds
PCB Solutions
Chemical Reagents
contact us