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Appearance | Crystals orange-yellow | Application | for the manufacture of catalysts, photographic emulsions, | CAS No. | 16903-35-8 |
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Grade Standard | Electron Grade, Industrial Grade, Medicine Grade, Reagent Grade | MF | H[AuCl4] nH2O | Other Names | Tetrachloroauric (III) acid hydrate |
Place of Origin | Russian Federation | Purity | 48% |
Quality specification Tetrachloroauric (III) acid hydrate
Nr | Name of indicators | Standard |
1. | Appearance | Crystals orange-yellow |
2.
| Mass fraction of gold at least (Au), %, min | 48,0.....50,0 |
3. | Mass fraction of chlorine (Cl), %, min | 35,0 |
4. | Mass fraction of alkaline earth metals (Na+K+Ca+Mg), %, max | 0,02 |
5. | Mass fraction of alkali, alkaline earth and heavy metals, %, max | 0,2 |
6. | Mass fraction of copper (Cu), %, max | 0,003 |
7. | Mass fraction of silver (Ag), %, max | 0,003 |
8. | Solubility in alcohol-ether mixture (1:1) | Must withstand the test |
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