Chloroplatinic acid: Difference between revisions
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m (Admin moved page Hexachloroplatinic acid to Chloroplatinic acid) |
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==Uses== | ==Uses== | ||
===Primary=== | ===Primary=== | ||
* Feedstock for | * Feedstock for platinum-based antineoplastic medicines in [[:Category:WHO LEM|WHO LEM]] | ||
* Intermediate in [[platinum]] refining | * Intermediate in [[platinum]] refining | ||
==Natural occurrence== | ==Natural occurrence== |
Latest revision as of 09:30, 5 December 2024
Chemical formula | H2PtCl6 |
---|---|
OTP appearance | reddish brown solid |
Molar Mass(g/mol) | 409.81 |
Density(g/cc) | 2.431 |
Melting Point(°C) | 60 |
NFPA 704 |
Uses
Primary
Natural occurrence
Hazards
Production
Extraction
Occurs in placer gold at approximately 1400ppm (1.5g/kg) See Purification below and aqua regia
Synthesis
Testing
Purification
- Dissolve platinum in aqua regia and evaporate
- Pt + 4 HNO3 + 6 HCl → H2PtCl6 + 4 NO2 + 4 H2O
- Precipitate with ammonium chloride as ammonium hexachloroplatinate
- Pyrologically reduce to Platinum