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Potassium tungstate, 99.8% (puriss.)
| Impurities content (weight %) | |
|---|---|
| Insoluble in water substances | <0.01 |
| Sulfates (SO42-) | <0.01 |
| Chlorides (Cl-) | <0.01 |
| Sodium (Na+) | <0.002 |
| Heavy metals (Pb2+) | <0.0005 |



