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Journal of the Korean Chemical Society (JKCS)

ISSN 1017-2548(Print)
ISSN 2234-8530(Online)
Volume 45, Number 3
JKCSEZ 45(3)
June 20, 2001

Title	Temperature Dependent Dielectric Relaxation Study of Aniline in Dimethylsulphoxide and Dimethylformamide Using Time Domain Technique 시간 분해 기법을 이용한 디메틸 술폭사이드와 디메틸 포름아미드-아닐린 용액에서 온도의존 유전이완에 관한 연구
Author	Ajay Chaudhari, C. S. Patil, A. G. Shankarwar, B. R. Arbad, S. C. Mehrotra Ajay Chaudhari, C. S. Patil, A. G. Shankarwar, B. R. Arbad, S. C. Mehrotra
Keywords
Abstract	aniline-dimethylsulphoxide(DMSO)와 aniline-dimethylformamide(DMF) 계에서 dielectric relaxation 에 관한 연구를 10MHz-10GHz 진동수 영역에서 여러 가지 다른 온도 그리고 농도에서 Time Domain Reflectometry(TDR) 방법을 이용하여 수행하였다. dielectric parameter를 정적유전율, 이완시간, Kirkwood 상관계수, 잉여유전율, 잉여 역이완시간, 그리고 열역학 parameter들의 함수로 얻었다. 검정방법으로 최소자승법을 이용하였다. dielectric parameter 들이 온도와 농도에 대해 체계적으로 변하는 것을 볼 수 있었다. The dielectric relaxation study for aniline-dimethylsulphoxide (DMSO) and aniline-dim.ethylformamide(DMF) has been carried out using the Time domain reflectometry (TDR) technique, at different temperature and concentrations, in the frequency range of 10 MHz to 10 GHz. The dielectric parameters viz. static permittivity, relaxation time, the Kirkwood correlation factor, excess permittivity, excess inverse relaxation time and thermodynamic parameters have been obtained. The calibration method based on least squares fit method has been used. The dielectric parameters show systematic change with temperature and concentrations.
Page	201 - 206
Full Text	PDF

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