Information
Specification category：
| Product No. | Product name | specifications |
|
1.01711.010 | Potassium stannate | AR500g |
|
1.01736.020 | Potassium stannate | AR500g/Bottle |
|
1.01736.020 | Potassium stannate | AR500g/Bottle |
Characteristic：
Appearance and properties: White or light brown crystal powder.
Relative density: 3.197(water=1)(25℃)
Melting point(℃): 140
Solubility: Dissolve easily in water(1105 g/L,15℃). Its aqueous solution is alkaline. Insoluble in alcohol and acetone.
Technical indicators：
| Item | AR | CP |
|
Assay(K2SnO4·3H2O) | ≥97.0% | ≥96.0% |
|
Insoluble matter in water | Pass | Pass |
|
Free alkali(as KOH) | ≤1.0% | ≤1.5% |
|
Chloride(Cl) | ≤0.02% | ≤0.04% |
|
Iron(Fe) | ≤0.005% | ≤0.01% |
|
Sodium(Na) | ≤0.1% | ≤0.15% |
|
Heavy metals(as Pb) | ≤0.005% | ≤0.01% |
Metal Compounds
PCB Solutions
Chemical Reagents