Molar Volumes in Molten KCl, RbCI, T1C1, KC1-T1C1, and RbCl-TlCl
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چکیده
Densities in molten KCl, RbCI, T1C1, KC1-T1C1 and RbCl -TlCl at various temperatures (t °C) were measured to within ±0.1% by iridium pyknometry. For the pure melts the results fit empirical equations of the form Q=a—bt . The molar volumes at the melting points were derived and tested against other melting-point data for thermodynamic consistency. In the mixtures the volumes deviate from additivity in both directions, and it is again evident that the sign and magnitude of the deviation at a given composition are sensitive to temperature. In the present systems the negative deviations are much less persistent at high temperatures than in KBr —TIBr.
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