Measurements by optical methods of the sound velocity in aqueous solutions of electrolytes in dependence on concentration and temperature
The sound velocity in aqueous solutions of electrolytes has been measured at various concentrations by counting the Hiedemann-fringes within a known distance by means of a photoelectric cell and an electronic counter. The temperature dependence has been determined by observation of the periodically occurring “temperature resonances” in a stationary ultrasonic wave. In the 2-2-valent electrolyte solutions investigated, the sound velocity increases linearly with concentration. The dependence on temperature shows as in water an anomalous parabolic course; its maximum, however, is shifted to lower temperatures. The results can be explained by assuming aggregates of water molecules.
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Document Type: Research Article
Publication date: January 1, 1954
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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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