非電解質水溶液の圧縮性質と誘電率(<小特集>高圧力小特集)

概要

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Compression of aqueous binary mixtures containing acetonitrile, acetone, and dimethyl sulfoxide has been measured as a function of composition at 298.15 K and 101.3 MPa. For the aqueous systems with n-propanol, acetone, and dimethyl sulfoxide, the isothermal compressibilities of the mixtures at atmospheric pressure have been further determined from the compression data obtained at pressures up to 150 MPa. The composition dependences of compression and isothermal compressibility for the mixtures were discussed from a viewpoint of the effect of groups in the organic compounds. The dielectric constants of the aqueous mixtures with methanol, n-propanol, acetonitrile, and acetone have been measured at 298.15 K and pressures up to 300 MPa. The data obtained were fitted to the Tait-type equation. The values of ε^<-2>(〓ε/〓P)_T were calculated from the results and its composition dependence was compared among the systems.
社団法人日本材料学会の論文
1984-02-15