Zum Mechanismus des thermischen Abbaus von Ammonium- und Ammin-Chlorokomplexen des Rutheniums,Rhodiums, Palladiums und Platins |
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Authors: | Angela M ller,Gerd Meyer |
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Affiliation: | Angela Möller,Gerd Meyer |
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Abstract: | On the Mechanism of the Thermal Decomposition of Ammonium and Ammin Chloro Complexes of Ruthenium, Rhodium, Palladium and Platinum The thermolysis of noble metal compounds was investigated by a combination of independent physical (DTA/TG, high-temperature Guinier-Simon-technique) and preparative methods, characterization of the educts, intermediats and products by Guinier X-ray patterns and IR spectroscopy: - (a) (NH4)2[PtCl6], (NH4)2[PtCl4], [Pt(NH3)4][PtCl4], [Pt(NH3)4]Cl2, and trans-[Pt(NH3)2Cl2];
- (b) (NH4)2[PdCl4], [Pd(NH3)4]Cl2, trans-[Pd(NH3)2Cl2], and [Pd(NH3)4][PdCl4];
- (c) (NH4)2[RhCl5(H2O)], (NH4)3[Rh2Cl9], K2[RhCl5(H2O)], and K2[RhCl5(NH3)];
- (d) (NH4)2[RuCl5(NH3)] and (NH4)4[Ru2Cl10O]
. The most important step of the mechanism of the thermal decomposition is the ?internal”? redox reaction between the noble metal cation and the nitrogen atom of the ammine ligand. |
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Keywords: | Thermolysis platinum palladium rhodium ruthenium chloro complexes |
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