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Preconcentration by Using Microcrystalline Phenolphthalein for Determining Trace Molybdenum(Ⅵ) in Water by GFAAS 被引量:2
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作者 LI Quan-min OUYANG Rui-zhuo +1 位作者 ZHU Gui-fen LIU Guo-guang 《Chemical Research in Chinese Universities》 SCIE CAS CSCD 2005年第5期622-625,共4页
Molybdenum( Ⅵ ) is a biologically essential trace element and its role in an extremely wide variety of systems has been reported. Most common methods often fail to determine trace Mo ( Ⅵ ) in the analysis of mol... Molybdenum( Ⅵ ) is a biologically essential trace element and its role in an extremely wide variety of systems has been reported. Most common methods often fail to determine trace Mo ( Ⅵ ) in the analysis of molybdenum-containing samples, due to limitations such as inadequate detection limits and matrix interference, which make the direct determinations impossible. To solve this problem, various approaches are employed to concentrate and separate Mo( Ⅵ ) to detectable levels. Concentration and separation methods play a main role in the analysis of trace Mo(Ⅵ). Therefore, many separation and preconcentration procedures have been developed for the determination of Mo ( Ⅵ ). 展开更多
关键词 MOLYBDENUM salicyl fluorone PRECONCENTRATION Microcrystalline phenolphthalein
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