SZSE：002741
| Product No. | Product name | specifications |
| 1.01765.020 | Potassium hydrogen carbonate | AR500g |
| 1.01765.030 | Potassium hydrogen carbonate | CP500g |
| 1.01765.040 | Potassium hydrogen carbonate | CP25kg |
| 1.01765.050 | Potassium hydrogen carbonate | Spec25kg |
| 1.01765.070 | Potassium hydrogen carbonate | AR25kg |
| 1.01765.080 | Potassium hydrogen carbonate | AR25kg |
| Item | AR | CP |
| Assay(KHCO3) | ≥99.5% | ≥99.0% |
| pH-value(50g/L solution,25℃) | ≤8.6 | ≤8.6 |
| Clarity of solution | Pass4 | Pass6 |
| Insoluble matter in water | ≤0.002% | ≤0.01% |
| Chloride and chlorate(as Cl) | ≤0.005% | ≤0.01% |
| Sulfate(as SO4) | ≤0.005% | ≤0.01% |
| Total nitrogen(N) | ≤0.001%v≤0.002% | |
| Phosphate(PO4) | ≤0.002%v≤0.005% | |
| Silicate(SiO4) | ≤0.005% | ≤0.01% |
| Sodium(Na) | ≤0.02% | ≤0.05% |
| Magnesium(Mg) | ≤0.003% | ≤0.005% |
| Aluminum(Al) | ≤0.002% | ≤0.005% |
| Calcium(Ca) | ≤0.003% | ≤0.01% |
| Iron(Fe) | ≤0.0005% | ≤0.001% |
| Heavy metals(as Pb) | ≤0.0005% | ≤0.002% |
光華科技微信公眾號(hào)
Metal Compounds
PCB Solutions
Chemical Reagents
contact us