T,p-dependence of self-diffusion in the lower N-methylsubstituted amides

被引：27

作者：

Chen, LP ^{[1
]}

Gross, T

Lüdemann, HD

机构：

[1] Univ Regensburg, Inst Biophys & Phys Biochem, D-93040 Regensburg, Germany

[2] Zhongshan Univ, Sch Chem & Chem Engn, Inst Phys Chem, Guangzhou 510275, Peoples R China

来源：

ZEITSCHRIFT FUR PHYSIKALISCHE CHEMIE-INTERNATIONAL JOURNAL OF RESEARCH IN PHYSICAL CHEMISTRY & CHEMICAL PHYSICS | 2000年 / 214卷 / 02期

关键词：

diffusion; pressure; amides;

D O I：

10.1524/zpch.2000.214.2.239

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Self-diffusion coefficients D were studied for the hydrogen bonded liquids N-methylformamide (NMF) and -acetamide (NMA) and for the highly polar compounds dimethylformamide (DMF) and -acetamide (DMA) at pressures up to 200 MPa between the melting pressure curves and 450 K by the pulsed field gradient spin echo method. The data are analysed with current models for fluid dynamics, and the influence of hydrogen bonding upon the diffusion process in NMF and NMA is evaluated.

引用

页码：239 / 251

页数：13

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