Ternary Mutual Diffusion Coefficients of NH4Cl-(NH4)2SO4-H2O at 298.15 K by Optical Interferometry

Mitchell, John P.; Albright, John G.

doi:10.1007/s10953-007-9198-2

Cited by 2 publications

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“…As previously noted, a primary objective of our measurements of osmotic coefficients is to use them to calculate chemical potential derivatives which when combined with the available ternary diffusion coefficients , make possible the calculation of the solvent frame thermodynamic transport coefficient ( L ij ) 0 . The ternary diffusion coefficients were measured at total molar concentrations C 1 + C 2 = (1, 2, 3, and 4) mol·L −1 at mole fractions m 1 /( m 1 + m 2 ) of 0.75, 0.50, and 0.25 for a total of 12 compositions.…”

Section: Resultsmentioning

confidence: 99%

“…Here F is the solution density and the M i are the solute molecular weights. Values of H i and F may be found in ref 13. Molar chemical potential derivatives obtained with the sets of b ij are given in the Tables S2(a-f) in the Supporting Information.…”

Section: Calculation Of Chemical Potential Deriwatiwesmentioning

confidence: 99%

“…Given in Tables 3a-c are the calculated (L ij ) 0 based on the ternary diffusion coefficients for this system 13 and molar chemical potentials in Supporting Information Tables S2(a-g).…”

Section: Calculation Of Chemical Potential Deriwatiwesmentioning

confidence: 99%

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Osmotic Coefficients of the System NH₄Cl + (NH₄)₂SO₄ + H₂O at 298.15 K and Calculation of Onsager Transport Coefficients

Mitchell

Albright

2008

J. Chem. Eng. Data

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Osmotic coefficients are reported for the system NH 4 Cl + (NH 4 ) 2 SO 4 + H 2 O at 298.15 K over a wide range of concentrations. Scatchard's mixed electrolyte equation is used to fit these data with six fitting parameters, b ij . For comparison, we insert extended Debye-Hu ¨ckel equations and separately Pitzer's equations as the necessary binary salt equations within Scatchard's equation. Three sets of the six b ij are obtained in each case from fits with two subsets and the full set of the osmotic coefficients. We examine the consequence of including different binary osmotic coefficient expression equations and applying different data ranges in these fits. The results are combined with available ternary diffusion coefficients to calculate and report solvent frame thermodynamic transport coefficients, (L ij ) 0 . These are intercompared relative to the Onsager Reciprocal Relations requirement. Finally, we use Pitzer's mixed electrolyte equation to calculate thermodynamic properties of the ternary system directly and to calculate (L ij ) 0 coefficients for comparison with the (L ij ) 0 obtained using Scatchard's equations.

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Section: Resultsmentioning

confidence: 99%

Section: Calculation Of Chemical Potential Deriwatiwesmentioning

confidence: 99%

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Osmotic Coefficients of the System NH₄Cl + (NH₄)₂SO₄ + H₂O at 298.15 K and Calculation of Onsager Transport Coefficients

Mitchell

Albright

2008

J. Chem. Eng. Data

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Form of multicomponent Fickian diffusion coefficients matrix

Mutoru

Firoozabadi

2011

The Journal of Chemical Thermodynamics

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Ternary Mutual Diffusion Coefficients of NH4Cl-(NH4)2SO4-H2O at 298.15 K by Optical Interferometry

Cited by 2 publications

References 25 publications

Osmotic Coefficients of the System NH₄Cl + (NH₄)₂SO₄ + H₂O at 298.15 K and Calculation of Onsager Transport Coefficients

Osmotic Coefficients of the System NH₄Cl + (NH₄)₂SO₄ + H₂O at 298.15 K and Calculation of Onsager Transport Coefficients

Form of multicomponent Fickian diffusion coefficients matrix

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Ternary Mutual Diffusion Coefficients of NH4Cl-(NH4)2SO4-H2O at 298.15 K by Optical Interferometry

Cited by 2 publications

References 25 publications

Osmotic Coefficients of the System NH4Cl + (NH4)2SO4 + H2O at 298.15 K and Calculation of Onsager Transport Coefficients

Osmotic Coefficients of the System NH4Cl + (NH4)2SO4 + H2O at 298.15 K and Calculation of Onsager Transport Coefficients

Form of multicomponent Fickian diffusion coefficients matrix

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About

Osmotic Coefficients of the System NH₄Cl + (NH₄)₂SO₄ + H₂O at 298.15 K and Calculation of Onsager Transport Coefficients

Osmotic Coefficients of the System NH₄Cl + (NH₄)₂SO₄ + H₂O at 298.15 K and Calculation of Onsager Transport Coefficients