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JIN Fang. Determination of Available Selenium in Brine of Qarhan Salt Lake in Qinghai Province[J]. Rock and Mineral Analysis, 2010, 29(2): 193-195.
Citation: JIN Fang. Determination of Available Selenium in Brine of Qarhan Salt Lake in Qinghai Province[J]. Rock and Mineral Analysis, 2010, 29(2): 193-195.

Determination of Available Selenium in Brine of Qarhan Salt Lake in Qinghai Province

  • For the chloridetype brine from the Charhan salt lake of Qinghai province, lanthanum chloride was used as coprecipitator in hydrochloride medium for separation and preconcentration of available selenium in brine samples and available selenium was then determined by hydride generationatomic fluorescence spectrometry. The detection limit of method is 0.008 μg/L for selenium with linear dynamic range of 0~100 μg/L and standard addition recovery of 97.5%~101.9%. The method has been applied to the determination of available selenium in chloridetype brine samples and has been proved to be accurate and reliable.
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