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l348704462

金虫 (小有名气)

[交流] 【综合其他】材料的新进展 已有4人参与

MICELLAR EFFECT ON METAL-LIGAND COMPLEXES OF Co(II), Ni(II), Cu(II) AND Zn(II) WITH CITRIC ACID
作者: Pedada SR (Pedada, Srinivasa Rao)1, Bathula S (Bathula, Srikanth)1, Vasa SSR (Vasa, Samba Siva Rao)1, Charla KS (Charla, Kamala Sastry)1, Gollapalli NR (Gollapalli, Nageswara Rao)1
来源出版物: BULLETIN OF THE CHEMICAL SOCIETY OF ETHIOPIA    卷: 23    期: 3    页: 347-358    出版年: DEC 2009   
摘要: Chemical speciation of citric acid complexes of Co(II), Ni(II), Cu(II) and Zn(II) was investigated pH-metrically in 0.0-2.5% anionic, cationic and neutral micellar media. The primary alkalimetric data were pruned with SCPHD program. The existence of different binary species was established from modeling studies using the computer program MINIQUAD75. Alkalimetric titrations were carried out in different relative concentrations (M:L:X = 1:2:5, 1:3:5, 1:5:3) of metal (M) to citric acid. The selection of best chemical models was based on statistical parameters and residual analysis. The species detected were MLH, ML2, ML2H and ML2H2. The trend in variation of stability constants with change in mole fraction of the medium is explained on the basis of electrostatic and non-electrostatic forces. Distributions of the species with pH at different compositions of micellar media are also presented
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zhengtaoai

木虫 (正式写手)


小木虫(金币+0.5):给个红包,谢谢回帖交流
能不能吧文献都下下来  放到纳米盘上
众里寻他千百度、暮然回首、那人却在灯火阑珊处!
3楼2010-06-06 01:34:22
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黑白VS兔子

木虫 (著名写手)


小木虫(金币+0.5):给个红包,谢谢回帖交流
这是做什么的呢?材料的新进展?
2楼2010-06-05 22:49:52
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hustsunboy

金虫 (正式写手)


小木虫(金币+0.5):给个红包,谢谢回帖交流
啥玩意,随便找篇文献都放上放啊
4楼2010-06-06 14:08:26
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