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Effect of Chain Length on Acoustic Behavior of Gadolinium Alkanoates in Mixed Organic Solvents

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Ultrasonic investigations on solution of gadolinium alkanoates in a mixture of benzene-methanol show that the value of the critical micellar concentration (CMC) decreases with increasing chain length of the fatty acid constituent of the alkanoate molecule. The values of the CMC agree with values obtained from other micellar properties. Various acoustic parameters (inter-molecular free length, adiabatic compressibility, apparent molal compressibility, specific acoustic impedance, apparent molal volume and solvation number) for these alkanoates have been evaluated from the ultrasonic velocity measurements.

Document Type: Research Article


Publication date: January 1, 2010

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  • Acta Acustica united with Acustica, published together with the European Acoustics Association (EAA), is an international, peer-reviewed journal on acoustics. It publishes original articles on all subjects in the field of acoustics, such as general linear acoustics, nonlinear acoustics, macrosonics, flow acoustics, atmospheric sound, underwater sound, ultrasonics, physical acoustics, structural acoustics, noise control, active control, environmental noise, building acoustics, room acoustics, acoustic materials, acoustic signal processing, computational and numerical acoustics, hearing, audiology and psychoacoustics, speech, musical acoustics, electroacoustics, auditory quality of systems. It reports on original scientific research in acoustics and on engineering applications. The journal considers scientific papers, technical and applied papers, book reviews, short communications, doctoral thesis abstracts, etc. In irregular intervals also special issues and review articles are published.
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