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Cornelia Eder, Antonio Delgado

Interferometric Measurement of the Density of Aqueous Solutions under Ultra-High Hydrostatic Pressure

Keywords: density measurement, High pressure, Jamin interferometer, Aqueous solutions

This contribution describes a densitometer that is based on a Jamin interferometer. It allows the investigation of transparent liquids at a pressure up to 5000bar. The precision is better than 0.3%. Besides the investigation of the pressure dependence of density and compressibility of aqueous solutions these high precision measurements facilitate the calculation of the partial molar volumes of the solids and thus conclusions concerning the formed hydration shells.

tm – Technisches Messen, Oldenbourg Wissenschaftsverlag

Print ISSN: 0171-8096
Volume: 74, 02/2007
Pages: 045 - 050

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