Enthalpic interactions of glycine in aqueous urea solutions at 298.15K(甘氨酸在尿素水溶液中的焓对相互作用)

用LKB-2277精密微热量计测定了298.15K时甘氨酸在尿素水溶液(尿素的质量分数为0.05~0.40,以0.05递增)中的稀释焓,并根据McMillan-Mayer过量焓理论关联得到焓对作用系数.结果表明,甘氨酸的焓对作用系数与溶剂结构密切相关,其数值随尿素浓度的增大而增大,且在尿素高浓度区由负变为正....

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Published inZhejiang da xue xue bao. Journal of Zhejiang University. Sciences edition. Li xue ban Vol. 27; no. 6; pp. 623 - 627
Main Authors SHAOShuang(邵爽), HUXin-gen(胡新根), LINRui-sen(林瑞森)
Format Journal Article
LanguageChinese
Published Zhejiang University Press 01.11.2000
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ISSN1008-9497

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Summary:用LKB-2277精密微热量计测定了298.15K时甘氨酸在尿素水溶液(尿素的质量分数为0.05~0.40,以0.05递增)中的稀释焓,并根据McMillan-Mayer过量焓理论关联得到焓对作用系数.结果表明,甘氨酸的焓对作用系数与溶剂结构密切相关,其数值随尿素浓度的增大而增大,且在尿素高浓度区由负变为正.
ISSN:1008-9497