| Product No. | Product name | specifications | 
| 1.01867.010 | Potassium hexacyanoferrate(Ⅱ) trihydrate | AR500g | 
| 1.01867.020 | Potassium hexacyanoferrate(Ⅱ) trihydrate | CP500g | 
| 1.01867.030 | Potassium hexacyanoferrate(Ⅱ) trihydrate | AR25kg | 
| Item | AR | CP | 
| Assay{K4(Fe(CN)6)·3H2O} | ≥99.5% | ≥98.5% | 
| Insoluble matter in water | ≤0.005% | ≤0.01% | 
| Chloride(Cl) | ≤0.005% | ≤0.02% | 
| Sulfate(SO4) | ≤0.005% | ≤0.01% | 
| Sodium(Na) | ≤0.02% | -- | 




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