Spectrophotometric Studies and Analytical Applications of Vanadium(IV) Chelates with 4-(2-Pyridylazo)resorcinol and 1-(2-Pyridylazo)-2-naphthol

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概要

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• Oxovanadium(IV), VO<SUP>2+</SUP>, gives sensitive colour reactions with 4-(2-pyridylazo)resorcinol (ε=2.54×10<SUP>4</SUP> at λ<I><SUB>max</SUB></I> 550 nm) and 1-(2-pyridylazo)-2-naphthol (ε=1.02×10<SUP>4</SUP> at λ<I><SUB>max</SUB></I> 560 nm). The composition of the complexes VO<SUP>2+</SUP>: PAN or PAR was established by the continuous variations, mole ratio, and Asmus straight line methods. Lambert-Beer's law range, Ringbom optimum range, pH stability range, photometric error, and stability constant values were also evaluated.

• 公益社団法人 日本化学会の論文

著者

• Prakash Om

  Chemical Laboratories, University of Allahabad

• Mushran S.

  Chemical Laboratories, University of Allahabad

• Verma J.

  Chemical Laboratories, University of Allahabad

関連論文

• Spectrophotometric Studies and Analytical Applications of Vanadium(IV) Chelates with 4-(2-Pyridylazo)resorcinol and 1-(2-Pyridylazo)-2-naphthol
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