Simplex Optimization Method for the Determination of the Composition of Ternary Complex Copper(Ⅰ)-Neocuproine-Methyl Orange

Abstract

Abstract: Simplex optimization principles were applied to determining the composition of ternary complex of Cu(I)-Dphen-MO by two methods.Cu(I) reacts with neocuproine(2,9-dimethyl-1,10-phenanthroline) and methyl orange (MO) to form a colour ternary complex which could be extracted into CHCl₃ and showed an absorption maximum at 420 nm.The molar ratio of the components of Cu(I):Dphen:MO in the complex was estimated to be 1:2:1,the composition is [Cu(Dphen)₂]⁺MO^-.It is shown that the two methods are simple and accuracy.

Key words: Simplex optimization method, Complex, Ternary phase diagram, Extraction-spectrophotometry

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JIANG Xin-Min, YAN Zheng-Yu, WANG Shen . Simplex Optimization Method for the Determination of the Composition of Ternary Complex Copper(Ⅰ)-Neocuproine-Methyl Orange[J]. Chem. J. Chinese Universities, 1992, 13(8): 1043.

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Simplex Optimization Method for the Determination of the Composition of Ternary Complex Copper(Ⅰ)-Neocuproine-Methyl Orange

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