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Abstract
The described flame-atomic absorption determination of gallium involves the extraction of 8-hydroxyauinoline-Ga complex and the extraction of galhum as an ion association complex from strong hydrochloric acid into Methyl Isobutyl Ketone (MIBK). Both of the examined extraction systems were found to be workable for gallium determination in aqueous solutions. A comparison of mentioned extraction systems showed that only the second one can be applied for gallium determination in low concentration in aluminate solutions (strong alkaline). Finally, an analytical scheme for gallium determination in aluminate solutions is recommended (extraction of Ga from hydrochloric acid solutions, 3.0-50M, through matrix matched calibration curve). the proposed procedure was found to be simple, selective and accurate.