Pairwise interactions of enthalphy of glycine in DMF/water and ethanol/  water mixtures at 298.15k

Acta Chimica Sinica ›› 1999, Vol. 57 ›› Issue (8): 875-880. Previous Articles Next Articles

Original Articles

甘氨酸在DMF/水和乙醇/水混合溶剂中的焓对相互作用

任小玲;林瑞森;胡新根;倪亚明

同济大学化学系.上海(200092);浙江大学化学系.杭州(310027)

发布日期:1999-08-15

Pairwise interactions of enthalphy of glycine in DMF/water and ethanol/ water mixtures at 298.15k

Ren Xiaoling;Lin Ruisen;Hu Xingen;Ni Yaming

TongJi Univ., Dept of Chem.Shanghai(200092);Zhejiang Univ, Dept Chem. Hangzhou(310027)

Published:1999-08-15

Abstract

The inthalpies of dilution of glycine in water,DBF/water and ethanol/water mixtures(in10% increments ranging from 5%to 45% DBF or ethanol by weight) have been measured with LKB 2277 Bio Activity Monitor at 298.15K.Calculations show that pairwise enthalpic interaction coefficients h~2 is closely connected with solvent properties. The values of h~2 decrease with increasing DMF concentrationand reach a minimum at 25% ethanol in ethanol/water mixtures.

Key words: GLYCINE, DIMETHYLFORMAMIDE, WATER, ETHANOL, BIOLOGICAL ACTIVITY, DISSOLUTION, ENTHALPY, INTERACTIONS

CLC Number:

O645

Cite this article

Ren Xiaoling;Lin Ruisen;Hu Xingen;Ni Yaming. Pairwise interactions of enthalphy of glycine in DMF/water and ethanol/ water mixtures at 298.15k[J]. Acta Chimica Sinica, 1999, 57(8): 875-880.

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甘氨酸在DMF/水和乙醇/水混合溶剂中的焓对相互作用

Pairwise interactions of enthalphy of glycine in DMF/water and ethanol/ water mixtures at 298.15k

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