[Applications analytiques des oxocarbones-II: composition des complexes tungstiques des ions bromanilate et chloranilate: dosage spectrophotometrique du tungstene(VI)].

Abstract

The complexes formed from tungsten(VI) and chloranilate (C(2-)) and bromanilate (B(2-)) have been studied in aqueous solution and as solids, by ultraviolet, visible and infrared spectroscopy. At pH 3-4, the complexes have the composition ligand:tungsten = 2. At pH < 2, only the 1:1 complexes are found. The two reagents allow the spectrophotometric… (More)

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