Densities of NaCl, MgCl2,Na2SO4 and MgSO4 Aqueous Solutions at 1 atm from 0 to 50°C and from 0.001 to 1.5 m

Chen Tung A. Chen; Joanne Hwa Chen; Frank J. Millero

doi:10.1021/je60087a013

Densities of NaCl, MgCl₂,Na₂SO₄ and MgSO₄ Aqueous Solutions at 1 atm from 0 to 50°C and from 0.001 to 1.5 m

Chen Tung A. Chen, Joanne Hwa Chen, Frank J. Millero

Ocean Sciences

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

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Abstract

The relative densities (d-d₀) of NaCl, MgCl₂, Na₂SO₄, and MgSO₄ aqueous solutions have been determined at 1 atm with a vibrating flow densimeter from 0.001 to 1.5 m and from 0 to 35 °C. The data have been combined with our earlier measurements at temperatures up to 55 °C and fitted to equations of the following form (precisions better than 15 × 10^-6 g cm^-3): d-d₀ = Am + Bm^3/2 + Cm² + Dm^5/2, where d and d₀ are the densities of solution and pure water, respectively, m Is the molality, and A, B, C, and D are temperature-dependent parameters. The equations agree well with the results of other workers.

Original language	English (US)
Pages (from-to)	307-310
Number of pages	4
Journal	Journal of Chemical and Engineering Data
Volume	25
Issue number	4
DOIs	https://doi.org/10.1021/je60087a013
State	Published - Oct 1 1980

ASJC Scopus subject areas

Chemistry(all)
Chemical Engineering(all)

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title = "Densities of NaCl, MgCl2,Na2SO4 and MgSO4 Aqueous Solutions at 1 atm from 0 to 50°C and from 0.001 to 1.5 m",

abstract = "The relative densities (d-d0) of NaCl, MgCl2, Na2SO4, and MgSO4 aqueous solutions have been determined at 1 atm with a vibrating flow densimeter from 0.001 to 1.5 m and from 0 to 35 °C. The data have been combined with our earlier measurements at temperatures up to 55 °C and fitted to equations of the following form (precisions better than 15 × 10-6 g cm-3): d-d0 = Am + Bm3/2 + Cm2 + Dm5/2, where d and d0 are the densities of solution and pure water, respectively, m Is the molality, and A, B, C, and D are temperature-dependent parameters. The equations agree well with the results of other workers.",

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AU - Chen, Chen Tung A.

AU - Chen, Joanne Hwa

AU - Millero, Frank J.

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N2 - The relative densities (d-d0) of NaCl, MgCl2, Na2SO4, and MgSO4 aqueous solutions have been determined at 1 atm with a vibrating flow densimeter from 0.001 to 1.5 m and from 0 to 35 °C. The data have been combined with our earlier measurements at temperatures up to 55 °C and fitted to equations of the following form (precisions better than 15 × 10-6 g cm-3): d-d0 = Am + Bm3/2 + Cm2 + Dm5/2, where d and d0 are the densities of solution and pure water, respectively, m Is the molality, and A, B, C, and D are temperature-dependent parameters. The equations agree well with the results of other workers.

AB - The relative densities (d-d0) of NaCl, MgCl2, Na2SO4, and MgSO4 aqueous solutions have been determined at 1 atm with a vibrating flow densimeter from 0.001 to 1.5 m and from 0 to 35 °C. The data have been combined with our earlier measurements at temperatures up to 55 °C and fitted to equations of the following form (precisions better than 15 × 10-6 g cm-3): d-d0 = Am + Bm3/2 + Cm2 + Dm5/2, where d and d0 are the densities of solution and pure water, respectively, m Is the molality, and A, B, C, and D are temperature-dependent parameters. The equations agree well with the results of other workers.

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Densities of NaCl, MgCl₂,Na₂SO₄ and MgSO₄ Aqueous Solutions at 1 atm from 0 to 50°C and from 0.001 to 1.5 m

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