The Analytical use of Tetrahydroxy-p-benzo-quinone for the Detennination and Estimation of Cations. | [Journal of Chemical Society of Pakistan • 1981]

Author(s):

1. M. MAHMOOD: National Centre of Excellence in Analytical, University of Sind, Jamshoro, Pakistan

2. Z.H. SHAH: National Centre of Excellence in Analytical, University of Sind, Jamshoro, Pakistan

3. G.H. KAZI: National Centre of Excellence in Analytical, University of Sind, Jamshoro, Pakistan

4. N.A. NAQVI: National Centre of Excellence in Analytical, University of Sind, Jamshoro, Pakistan

Abstract:

Summary: Tetrahydroxy-p-benzoquinone (1) has been reported to react with large number of metal ions and has been used in estimations as metal indicator of precipitant. However, due to its nonselective nature and various colour reactions over a wide range of pH, the use of (1) in analytical separation has not been investigated in past. The work reported here has bcen carried out to explore the possibility of use of (1) in quantitative analysis of metals by gravimetric,spectrophotometric, titrimetric and atomic absorption methods. The experimental findings have also been employed in analysis of synthetic mixtures of cations so as to establish correltion of reactions between metals and reagent (1).

Page(s): 193-198

DOI: DOI not available

Published: Journal: Journal of Chemical Society of Pakistan, Volume: 3, Issue: 4, Year: 1981

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