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Comparison of chemical modifiers used for the determination of gold in ores by electrothermal atomic absorption spectrometry
Gong, BL; Liu, YM; Li, JX; Lin, TZ
关键词Electrothermal Atomic Absorption Spectrometry Gold Ores Nickel-vanadium Chemical Modifier
刊名ANALYTICA CHIMICA ACTA
1998-05-04
362期:2-3页:247-251
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Chemistry, Analytical
研究领域[WOS]Chemistry
英文摘要The interference effects of major matrix elements, contained in gold ores (silicate-, oxide-, sulfide-, bismuth- and tellurium-ores) for the determination of gold by electrothermal atomic absorption spectrometry (ETAAS), were studied. Samples of five one-component (Cu, Mo, Ni, Pd and V) and 12 two-component chemical modifiers composed from above five one-component modifiers were compared for their anti-interference effects on the major matrix elements (Al, As, Bi, Ca, Cu, Fe, Mg, Mn, Pb, Sb, Te and Zn) in gold ores. A chemical-modifier solution composed of 1000 mg l(-1) each of Ni and V showed the best performance. Gold in five decoppered copper oxide ores was determined by ETAAS with the help of the Ni/V chemical modifier without matrix pre-separation. The relative standard deviation was 3.9% (n=9) for 0.47 mg l(-1) gold. The recoveries of added gold (50 mg l(-1)) were 93-102%. The characteristic mass was 12.8 pg. (C) 1998 Elsevier Science B.V.
语种英语
WOS记录号WOS:000073487900017
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被引频次:12[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/138476
专题中国科学院大连化学物理研究所
作者单位Acad Sinica, Dalian Inst Chem Phys, Dalian 116012, Peoples R China
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GB/T 7714
Gong, BL,Liu, YM,Li, JX,et al. Comparison of chemical modifiers used for the determination of gold in ores by electrothermal atomic absorption spectrometry[J]. ANALYTICA CHIMICA ACTA,1998,362(2-3):247-251.
APA Gong, BL,Liu, YM,Li, JX,&Lin, TZ.(1998).Comparison of chemical modifiers used for the determination of gold in ores by electrothermal atomic absorption spectrometry.ANALYTICA CHIMICA ACTA,362(2-3),247-251.
MLA Gong, BL,et al."Comparison of chemical modifiers used for the determination of gold in ores by electrothermal atomic absorption spectrometry".ANALYTICA CHIMICA ACTA 362.2-3(1998):247-251.
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