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TUNGSTIC ACID AR ( Catalyst for oxidation of sulphides to sulphones. Orthotungstic acid; Dihydroxy-dioxotungsten )
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Warranty 1 year
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Specification
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General
Description
| Article No. | RC0001 | Grade | AR |
| Purity | 99% | CAS No. | 7783-03-1 |
| Molecular Formula | H2WO4 | Molecular Weight | 249.87 |
| H.S. Code | 2825.9090 | Shelf Life | 60 Months |
Physical Properties
| Physical state at 20 °C | Solid | Colour | Yellow powder | ||||
| Odour | Odorless | pH value | 4 at 100 g/l at 20 °C | ||||
| Melting point/ Freezing point [°C] | > 100 °C | Boiling point [°C] | 1473°C | ||||
| Density [g/cm3] | 5.5 | Solubility in water [% weight] | Insoluble in water | ||||
Specifications
| Appearance | Yellow powder | Assay | Min 99% |
| Chloride (Cl) | Max 0.05% | Sulphate (SO4) | Max 0.02% |
| Iron (Fe) | Max 0.001% |
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