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Green Synthesis of Quinoline-Based Ionic Liquid
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[QSAR/QSPR for predicting the toxicity of imidazolium ionic liquids]

Ji-hong Zhao1, Yong-sheng Zhao, Hong-zhong Zhang

  • 1Department of Material and Chemical Engineering, Zhengzhou University of Light Industry, Zhengzhou 450002, China. zjh@zzuli.edu.cn

Huan Jing Ke Xue= Huanjing Kexue
|August 7, 2013
PubMed

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Compared with pure water, the solubility of an ionic compound is less in aqueous solutions containing a common ion (one also produced by dissolution of the ionic compound). This is an example of a phenomenon known as the common ion effect, which is a consequence of the law of mass action that may be explained using Le Châtelier’s principle. Consider the dissolution of silver iodide:
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Qualitative Analysis

For solutions containing mixtures of different cations, the identity of each cation can be determined by qualitative analysis. This technique involves a series of selective precipitations with different chemical reagents, each reaction producing a characteristic precipitate for a specific group of cations. Metal ions within a group are further separated by varying the pH, heating the mixture to redissolve a precipitate, or adding other reagents to form complex ions.
For instance, group IV...