Enthalpies of interaction of sodium chloride and potassium chloride with some amides in water at 25 °C
Enthalpies of interaction of sodium chloride and potassium chloride with some amides in water at 25 °C
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25 °C 水中氯化钠和氯化钾与某些酰胺相互作用的焓
DOI：
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发表时间：
1989
期刊：
影响因子：
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通讯作者：
T. H. Lilley
中科院分区：
文献类型：
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作者：
K. Davis;M. A. Gallardo;T. H. Lilley
混合时的焓变化已被用于研究25 °C下氯化钠和氯化钾与酰胺N-甲基甲酰胺N，N-二甲基甲酰胺、乙酰胺、N-甲基乙酰胺和N-乙酰基甘氨酰胺之间在水中发生的相互作用。所得到的结果，沿着与其他一些从文献中获得的来源，已经解决了使用基团加和性的方法，盐-溶质相互作用。结果发现，这两种盐与非极性部分在相同程度上相互作用，但氯化钾更有利地与酰胺基团的相互作用比氯化钠。在早期的研究中，尿素-酰胺相互作用，它被发现，叔酰胺基团与溶质的相互作用是更有利的比伯和仲酰胺基团的相互作用。
Enthalpy changes on mixing have been used to investigate the interactions occurring in water at 25 °C between sodium chloride and potassium chloride and the amides N-methylformamide N, N-dimethylformamide, acetamide, N-methylacetamide and N-acetylglycinamide. The results obtained, along with some others obtained from literature sources, have been addressed using a group-additivity approach to salt–solute interactions. It is found that both salts interact with apolar moieties to the same extent, but potassium chloride interacts more favourably with amide groups than does sodium chloride. As in an earlier study on urea–amide interactions it was found that the interactions of tertiary amide groups with the solutes are more favourable than interactions of both primary and secondary amide groups.