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DETERMINATION OF AS,SB AND BI IN COPPER CONCENTRATES BY HYDRIDE GENERATION ATOMIC FLUORESCENCE SPECTROMETRY

QUAN Shu-mei SUN Jian-wen (Experiment and Test Center of Institute of Geophysical and Geochemical Prospecting Technology of Anhui Province Hefei 230022,China)  
The major-element matching method was used to eliminate matrix interference.Experimental conditions including acid degree and reducing agent concentration were optimized,Good linear relations with fluorescence strength were obtained for As,Sb,Bi in the concentration ranging from 1 to 200μg·L-1.Recovery rates from 92% to 101% were achieved with relative standard deviation ranging from 2.7% to 5.5%.
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