哪位专家有着几篇关于有机酸与金属的文献,有的话发给我吧,不胜感激! (1)Zhenggui G. Wei, Jonathan Woonchung C. Wong, Haiyan Y. Zhao, Huijuan J. Zhang, Huixin X. Li and Feng Hu. Separation and Determination of Heavy Metals Associated with Low Molecular Weight Chelators in Xylem Saps of Indian Mustard ( Brassica juncea ) by Size Exclusion Chromatography and Atomic Absorption Spectrometry. Biological Trace Element Research, Volume 118, Number 2 / 2007年9月 (2)Dan Liu,Ejazul Islam,Tingqiang Li,Xiaoe Yang,Xiaofen Jin,Qaisar Mahmood.Comparison of synthetic chelators and low molecular weight organic acids in enhancing phytoextraction of heavy metals by two ecotypes of Sedum alfredii Hance. Journal of Hazardous Materials. 2008,Vol.153 (No.1-2) . (3)Jana Jaklová Dytrtová , Ivana estáková , Michal Jakl , Tomá Navrátil .Electrochemical Detection of Cadmium and Lead Complexes with Low Molecular Weight Organic Acids. Electroanalysis. 2008,Volume 21 Issue 3-5, Pages 573 - 579