Journal of Basic and Environmental Sciences

Vol.7 No.4


Ion Chromatographic Determination of Gallium by Mixed Ion Exchanger
Entesar Mohamed El Gammal

Abstract:

A progressing procedure is offered for determining of Gallium at low levels in two geological samples using High Performance Ion Chromatography technique (HPIC). At the optimum operating conditions determined experimentally, isocratic elution of gallium was 8mM pyridine-(2,6)-dicarboxylic acid eluent concentration (PDCA) at pH of 4 and flow rate of 0.7mL/min. Two granite geological samples from Gabal Gatter and Gabal El Sela-Qash Amer area have been applied for direct determination of gallium by applying the modified method. The method permits the evaluation of gallium without an external preconcentration or complexing agents


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