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首页> 外文期刊>Journal of Colloid and Interface Science >Water structure in aqueous solutions of alkali halide salts:FTIR spectroscopy of the OD stretching band
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Water structure in aqueous solutions of alkali halide salts:FTIR spectroscopy of the OD stretching band

机译：碱金属卤化物盐水溶液中的水结构：OD拉伸带的FTIR光谱

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摘要

Water structure making/breaking studies in solutions of five alkali halide salts(KF,KI,Nal,CsF and CsCl)in 4 wt% D_2O in H_2O mixtures have been performed by FTIR analysis of the OD stretching band in the full solubility range.The proposed method gives a microscopic picture of the water structure making/breaking character of the salts in terms of the hydrogen bonding between the water molecules in the solution.With the exception of CsCl,there is a very good correlation of the structure making/breaking character of the salts determined by FTIR analysis,and the viscosity coefficients of the solutions.The results fully support and explain previous studies of bubble attachment to microscopic salt particles of the above salts.The investigations support the primary importance of interfacial water structure in the explanation of the flotation of alkali halide salts in their brines.
机译：通过在全溶解度范围内的OD拉伸带的FTIR分析，对5种碱金属卤化物盐（KF，KI，Nal，CsF和CsCl）在H_2O混合物中占4 wt％D_2O的溶液进行了水结构形成/破坏研究。所提出的方法从溶液中水分子之间的氢键的角度给出了盐的水结构的形成/破坏特性的微观图。除CsCl以外，结构的形成/破坏特性具有很好的相关性。 FTIR分析确定的盐的盐溶液以及溶液的粘度系数。结果充分支持并解释了气泡对上述盐的微观盐颗粒的附着的先前研究。这些研究支持界面水结构在解释盐的最重要作用在卤水中浮选碱金属卤化物盐。

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