The Apparent Molal Volumes of Aqueous Solutions of NaCl, KCl, MgCl2, Na2SO4, and MgSO4 from 0 to 1000 Bars at 0, 25, and 50°C

Chen Tung Chen; Robert T. Emmet; Frank J. Millero

doi:10.1021/je60073a007

The Apparent Molal Volumes of Aqueous Solutions of NaCl, KCl, MgCl₂, Na₂SO₄, and MgSO₄ from 0 to 1000 Bars at 0, 25, and 50°C

Chen Tung Chen, Robert T. Emmet, Frank J. Millero

Ocean Sciences

Research output: Contribution to journal › Article › peer-review

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Abstract

The densities of aqueous solutions of NaCl, KCl, MgCl₂, Na₂SO₄, and MgSO₄ have been measured with a high pressure magnetic float densimeter from 0 to 1000 bars, 0.01 to 1.0 m ionic strength, and at 0, 25, and 50 °C. The relative apparent molal volumes, ϕ_v(P) ‒ ϕ_v(0), of these solutions have been fitted to an equation of the form ϕ_v(P) ‒ ϕ_v(0) = ϕ_v°(P) ‒ ϕ_v°(0) + Sm^½ where the relative infinite dilution partial molal volumes, ϕ_v°(P) ‒ ϕ_v°(0), and the slopes S are functions of applied pressure and temperature. The pressure, temperature, and concentration dependence of the apparent molal volumes are briefly discussed.

Original language	English (US)
Pages (from-to)	201-207
Number of pages	7
Journal	Journal of Chemical and Engineering Data
Volume	22
Issue number	2
DOIs	https://doi.org/10.1021/je60073a007
State	Published - Apr 1 1977

ASJC Scopus subject areas

Chemistry(all)
Chemical Engineering(all)

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title = "The Apparent Molal Volumes of Aqueous Solutions of NaCl, KCl, MgCl2, Na2SO4, and MgSO4 from 0 to 1000 Bars at 0, 25, and 50°C",

abstract = "The densities of aqueous solutions of NaCl, KCl, MgCl2, Na2SO4, and MgSO4 have been measured with a high pressure magnetic float densimeter from 0 to 1000 bars, 0.01 to 1.0 m ionic strength, and at 0, 25, and 50 °C. The relative apparent molal volumes, ϕv(P) ‒ ϕv(0), of these solutions have been fitted to an equation of the form ϕv(P) ‒ ϕv(0) = ϕv°(P) ‒ ϕv°(0) + Sm½ where the relative infinite dilution partial molal volumes, ϕv°(P) ‒ ϕv°(0), and the slopes S are functions of applied pressure and temperature. The pressure, temperature, and concentration dependence of the apparent molal volumes are briefly discussed.",

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AU - Chen, Chen Tung

AU - Emmet, Robert T.

AU - Millero, Frank J.

PY - 1977/4/1

Y1 - 1977/4/1

N2 - The densities of aqueous solutions of NaCl, KCl, MgCl2, Na2SO4, and MgSO4 have been measured with a high pressure magnetic float densimeter from 0 to 1000 bars, 0.01 to 1.0 m ionic strength, and at 0, 25, and 50 °C. The relative apparent molal volumes, ϕv(P) ‒ ϕv(0), of these solutions have been fitted to an equation of the form ϕv(P) ‒ ϕv(0) = ϕv°(P) ‒ ϕv°(0) + Sm½ where the relative infinite dilution partial molal volumes, ϕv°(P) ‒ ϕv°(0), and the slopes S are functions of applied pressure and temperature. The pressure, temperature, and concentration dependence of the apparent molal volumes are briefly discussed.

AB - The densities of aqueous solutions of NaCl, KCl, MgCl2, Na2SO4, and MgSO4 have been measured with a high pressure magnetic float densimeter from 0 to 1000 bars, 0.01 to 1.0 m ionic strength, and at 0, 25, and 50 °C. The relative apparent molal volumes, ϕv(P) ‒ ϕv(0), of these solutions have been fitted to an equation of the form ϕv(P) ‒ ϕv(0) = ϕv°(P) ‒ ϕv°(0) + Sm½ where the relative infinite dilution partial molal volumes, ϕv°(P) ‒ ϕv°(0), and the slopes S are functions of applied pressure and temperature. The pressure, temperature, and concentration dependence of the apparent molal volumes are briefly discussed.

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The Apparent Molal Volumes of Aqueous Solutions of NaCl, KCl, MgCl₂, Na₂SO₄, and MgSO₄ from 0 to 1000 Bars at 0, 25, and 50°C

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