Studies on the Colour Reactions of Vanadium (V)-Thiocyanate-Basic Triarylmethane Dyes

Abstract

Abstract: The colour reactions of the vanadium (V) with thiocyanate and basic triarylmethane dyes such as crystal violet, malachite green, brilliant green, methyl violet and victoria blue 4Rin the presence of some surface active agents in aqueous solution were investigated.The reaction conditions and analytical characteristics of the system of vanadium (V)-thiocyanate-Crystal violet-arabic gum were studied in detail.This colour reaction has a very high sensitivity (ε₅₃₀=2.55 × 10⁵ L·mol^-1.cm^-1) and a favourable selectivity and so can be applied to spectrophotometric determination of micro amounts of vanadium in aluminium alloy.

Key words: Vanadium determination, Spectrophotometry, Thiocyanate and basic triarylmethane dyes

TrendMD:

Liu Shaopu, Liu Zhongfang . Studies on the Colour Reactions of Vanadium (V)-Thiocyanate-Basic Triarylmethane Dyes[J]. Chem. J. Chinese Universities, 1989, 10(8): 800.

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Studies on the Colour Reactions of Vanadium (V)-Thiocyanate-Basic Triarylmethane Dyes

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