Chloroplatinic acid

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Revision as of 01:52, 4 December 2024 by Admin (talk | contribs) (Created page with "{{Compound|chemf=H2PtCl6|mm=409.81|density=2.431|mp=60|bp=|sol_aq=|stp_p=solid|stp_q=reddish brown|nfpa_h=2|nfpa_r=1}} ==Uses== ===Primary=== * Feedstock for platinum-based antineoplastic medicines in WHO LEM * Intermediate in platinum refining ==Natural occurrence== ==Hazards== ==Production== ===Extraction=== Occurs in placer gold at approximately 1400ppm (1.5g/kg) See '''Purification''' below an...")
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Chloroplatinic acid
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
NFPA704.png
0
2
1
 

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

  1. Dissolve platinum in aqua regia and evaporate
Pt + 4 HNO3 + 6 HCl H2PtCl6 + 4 NO2 + 4 H2O
  1. Precipitate with ammonium chloride as ammonium hexachloroplatinate
  2. Pyrologically reduce to Platinum

Storage

Disposal

See Also

References