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超临界流体色谱在金属络合物和金属有机化合物中的分析应用

来源:中国色谱网 作者:王少芬 魏建谟 2007-5-18
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摘要: 摘要:超临界流体色谱(SFC)在色谱分离过程中能在较低的温度下分析对热不稳定的化合物,包括金属络合物和金属有机化合物。本文总结了近来文献报道的各种过渡金属、重金属、镧系和锕系以及铅、汞和锡的金属有机化合物的SFC分离,还讨论了SFC检测系统和金属有机化合物的溶解度的测定。 关键词:超临界流体色......


摘 要:超临界流体色谱(SFC)在色谱分离过程中能在较低的温度下分析对热不稳定的化合物,包括金属络合物和金属有机化合物。本文总结了近来文献报道的各种过渡金属、重金属、镧系和锕系以及铅、汞和锡的金属有机化合物的SFC分离,还讨论了SFC检测系统和金属有机化合物的溶解度的测定。


关键词:超临界流体色谱,金属络合物,金属有机化合物,评述


分类号:065 文献标识码:A

Separation of Metal Chelates and Organometallic Compounds by Supercritical Fluid Chromatography

Shaofen WangDepartment of Chemistry, University of Idaho, Moscow, Idaho 83844-2343, USA) 
C.M. Wai?(Department of Chemistry, University of Idaho, Moscow, Idaho 83844-2343, USA) 

AbstractSupercritical fluid chromatography (SFC) combines the hig h diffusion coefficients of gas chromatography (GC) and the solubility propertie s of liquid chromatography (LC). SFC generally requires lower temperatures for chromatographic separations and thus is more suitable for analyzing thermally l abile compounds including a number of metal chelates and organometallic compound s. SFC also allows interfacing between supercritical fluid extraction (SFE) and chromatographic analysis of metal-containing compounds. A large number of metal chelates and organometallic compounds can be separated b y SFC. This article summarizes SFC separation of various chelates of transitio n metals, heavy metals, lanthanides and actinides as well as organometallic comp ounds of lead, mercury and tin reported in the recent literature. This articl e also discusses SFC detection systems and the determination of solubility of or ganometallic compounds by SFC.
Keywords
Supercritical fluid chromatography, metal chelates, orga nometallic compounds, review

作者单位:王少芬(爱达荷大学化学系,摩斯科,爱达荷83844-2343,美国) 
     魏建谟(爱达荷大学化学系,摩斯科,爱达荷83844-2343,美国) 

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收稿日期:2000年5月10日

修稿日期:2000年10月28日

出版日期:2001年6月1日

原载于《分析化学》2001 Vol.29 No.6   P.725-730

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