Abstract − Analytical Sciences, 20(12), 1711 (2004).
Simultaneous Kinetic Determination of Beryllium and Aluminium by Spectrophotometric H-Point Standard Addition Method
Abbas AFKHAMI and Ali Reza ZAREI
Department of Chemistry, Faculty of Sciences, Bu-Ali Sina University, Hamadan, Iran
The H-point standard addition method (HPSAM), based on spectrophotometric measurements for simultaneous determination of beryllium and aluminium, is described. This method is based on the difference between their rates of reactions with Chrome Azurol S (CAS) in cetyltrimethylammonium bromide (CTAB) micellar media. The results showed that beryllium and aluminium could be determined simultaneously in the ranges of 10 - 200 and 10 - 300 ng mL-1, respectively. Under working conditions, the proposed method was successfully applied to the simultaneous determination of beryllium and aluminium in environmental, geochemical and alloy samples.
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