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The calorimetric investigation of phosphoric acid-N,N-dimethylformamide system

机译:磷酸-N,N-二甲基甲酰胺体系的量热研究

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摘要

Solution and mixing enthalpies for the orthophosphoric acid (H3PO4)-N,N-dimethylformamide (DMF) system were measured over the whole concentration range at 25 degreesC. The standard value of solution enthalpy of phosphoric acid in DMF and the standard transference enthalpy of H3PO4 from water to DMF were calculated. The mixing enthalpy concentration dependence permitted making assumptions on complex formation in the system under investigation. (C) 2003 Elsevier Science B.V. All rights reserved. [References: 18]
机译:在25°C的整个浓度范围内,测量了正磷酸(H3PO4)-N,N-二甲基甲酰胺(DMF)系统的溶液和混合焓。计算了磷酸在DMF中的溶液焓的标准值和H3PO4从水到DMF的标准转移焓。混合焓浓度依赖性允许对所研究系统中的复合物形成做出假设。 (C)2003 Elsevier Science B.V.保留所有权利。 [参考:18]

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