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《The Food Industry》 2012-11
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Simultaneous Determination of Fluoride and Bromide in Tea by Ion Chromatography

Chen Lian,Chen Xin-huan,Luo Li-rong,Yang Wan-biao,Lü Xiao-yuan,Liu Zheng-hua Inspection and Quarantine Technology Center of Hunan Entry-exit Inspection and Quarantine Bureau(Changsha 410004)  
The simultaneous quantitative analysis of fluoride and bromide in tea by ion chromatography was studied.The effect of extraction solution,extraction temperature and extraction time to the extraction rate of fluoride and bromide in tea was discussed.In the optimized experimental conditions,Determination limit of fluoride and bromide were 1 mg/kg and 50 mg/kg respectively.Linear range of fluoride was between 0 and 10 μg/mL,bromide between 0 and 100 μg/mL.The method offered fast operation,good reproducibility,high sensitivity and accuracy.
【CateGory Index】: TS272.7;O657.75
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