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ChemInform Abstract Reversed-phase HPLC chromatography on silica gel C18 has proven to be a useful technique for the separation and identification of cationic gold cluster compounds such as (Au9(PPh3)8)3+ and (Au6(PPh3)6)2+ and a variety of mixed Os-, Ru-, Reand Pt-Au cluster compounds. Only minor changes in solvent composition is necessary for the successful separation of these different clusters. HPLC is also shown to be a fast and very sensitive technique for the detection of reactions and identification of compounds.

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