Dielectric spectra of some common solvents in the microwave region. Dipolar aprotic solvents and amides
作者： J. Barthel , K. Bachhuber , R. Buchner , J.B. Gill , M. Kleebauer
DOI: 10.1016/0009-2614(90)85071-J
关键词: Dispersion (chemistry) 、 Permittivity 、 Formamide 、 Physical chemistry 、 Dielectric 、 Propylene carbonate 、 Organic chemistry 、 Microwave 、 Acetonitrile 、 Chemistry 、 Relaxation (NMR)
摘要: Abstract Precise complex permittivity spectra of the amides formamide, N-methylformamide, N,N-dimethylformamide, and N,N-dimethylacetamide dipolar aprotic solvents acetonitrile, propylene carbonate, dimethylsulfoxide were determined in frequency range 0.95-89 GHz. The dielectric relaxation all liquids is non-exponential, ranging from a small symmetrical time distribution for acetonitrile to three discrete dispersion steps NMF.
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