Flame atomic absorption spectrophotometry determination of gallium extracted by butyl acetate

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Kuangwu Yanshi/Journal of Mineralogy and Petrology | 2000年 / 20卷 / 01期
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In the medium of 50% hydrohaulic acid, butyl acetate is used to extract and accumulate the gallium in the rocks and minerals. Flame atomic absorption spectrophotometry is applied to the determination of gallium under the suitable condition of 287.4 mm wavelength and 7.5 mA electric current. The sensitivity of the method is 1.35 μg · ml-1 and the variability coefficient is 2.31%. This method is proved to be speedy, simple, convenient and applicable.
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