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uthenium trichloride trihydrate (1 g) was refluxed in dimethyl
sulphoxide (5 ml) for 5 min. The volume was
reduced to half in vacuo when addition of acetone (20 ml)
gave a yellow precipitate. The yellow couifilex which
separated was filtered off, washed with acetone and ether,
and vacuum dried.
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[ Last edited by liuln on 2007-9-18 at 18:22 ]

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