Publication | Open Access
Dielectric Relaxation Studies of 2-Butoxyethanol with Aniline and Substituted Anilines Using Time Domain Reflectometry
11
Citations
30
References
2014
Year
Microwave SpectroscopyEngineeringOptical PropertiesApplied PhysicsOptical SpectroscopyPhysical ChemistryAnalytical ChemistryComplex Dielectric SpectraO -ChloroanilineChemistryDielectric ParametersDielectric Relaxation Studies
The complex dielectric spectra of 2-butoxyethanol with aniline and substituted anilines like aniline, o -chloroaniline, m -chloroaniline, o -anisidine and m -anisidine binary mixtures in the composition of different volumes of percent (0%, 25%, 50%, 75%, and 100%) have been measured as a function of frequency between 10 MHz and 30 GHz at 298.15 K. The dielectric parameters like static dielectric constant <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" id="M1"><mml:mrow><mml:mfenced separators="|"><mml:mrow><mml:msub><mml:mrow><mml:mi>ε</mml:mi></mml:mrow><mml:mrow><mml:mn>0</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:mfenced></mml:mrow></mml:math> and relaxation time <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" id="M2"><mml:mrow><mml:mfenced separators="|"><mml:mrow><mml:mi>τ</mml:mi></mml:mrow></mml:mfenced></mml:mrow></mml:math> have been obtained by using least square fit method. By using these parameters <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" id="M3"><mml:mrow><mml:mfenced separators="|"><mml:mrow><mml:msub><mml:mrow><mml:mi>ε</mml:mi></mml:mrow><mml:mrow><mml:mn>0</mml:mn></mml:mrow></mml:msub><mml:mo>,</mml:mo><mml:mi>τ</mml:mi></mml:mrow></mml:mfenced></mml:mrow></mml:math>, effective Kirkwood correlation factor <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" id="M4"><mml:mrow><mml:mfenced separators="|"><mml:mrow><mml:msup><mml:mrow><mml:mi>g</mml:mi></mml:mrow><mml:mrow><mml:mtext>eff</mml:mtext></mml:mrow></mml:msup></mml:mrow></mml:mfenced></mml:mrow></mml:math>, corrective Kirkwood correlation factor <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" id="M5"><mml:mrow><mml:mfenced separators="|"><mml:mrow><mml:msub><mml:mrow><mml:mi>g</mml:mi></mml:mrow><mml:mrow><mml:mi>f</mml:mi></mml:mrow></mml:msub></mml:mrow></mml:mfenced></mml:mrow></mml:math>, Bruggeman factor <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" id="M6"><mml:mrow><mml:mfenced separators="|"><mml:mrow><mml:msub><mml:mrow><mml:mi>f</mml:mi></mml:mrow><mml:mrow><mml:mi>B</mml:mi></mml:mrow></mml:msub></mml:mrow></mml:mfenced></mml:mrow></mml:math>, excess dielectric constant <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" id="M7"><mml:mrow><mml:mfenced separators="|"><mml:mrow><mml:msup><mml:mrow><mml:mi>ε</mml:mi></mml:mrow><mml:mrow><mml:mi>E</mml:mi></mml:mrow></mml:msup></mml:mrow></mml:mfenced></mml:mrow></mml:math>, and excess inverse relaxation time <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" id="M8"><mml:mrow><mml:msup><mml:mrow><mml:mfenced separators="|"><mml:mrow><mml:mn>1</mml:mn><mml:mo>/</mml:mo><mml:mi>τ</mml:mi></mml:mrow></mml:mfenced></mml:mrow><mml:mrow><mml:mi>E</mml:mi></mml:mrow></mml:msup></mml:mrow></mml:math> values are calculated and discussed to yield information on the dipolar alignment and molecular rotation of the binary liquid mixtures. From all the derived dielectric parameters, molecular interactions are interpreted through hydrogen bonding.
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