Deviation from corresponding-states behaviour for polar fluids

Leeuwen, M.E. van

doi:10.1080/00268979400100294

Cited by 48 publications

(31 citation statements)

References 12 publications

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“…Equation (6) Solutions of the above sets of equations have been presented at various levels and for a variety of conditions. Rather than explaining all results in some detail, we shall specify here the cases treated thus far.…”

Section: Survey Of Quantitative Theorymentioning

confidence: 99%

“…What remains from eqn. (6) is the flux equation for the purely adsorptive diffusional transport of 0.…”

Section: Survey Of Quantitative Theorymentioning

confidence: 99%

“…A well-known example in the latter category is the induced adsorption of metal ions in systems with adsorbing ligands. Systems for which reactant adsorption has definitely been shown to affect the pulse polarogram are for instance Cul, Cull, Cdll, Znll, Pbll in solutions containing bromide [4], iodide [5], pyrocatechol [6,7], amino acids [a], fulvic/humic acids [9] benzenelpyridine carboxylic acids [lo], polyelectrolytes [l 11 and solutions of nitro compounds [12], pyridines, substituted pyridine N-oxides, substituted azobenzenes [13], DNA [14], chloramphenicol [15], berberine 1161. This list is certainly not exhaustive and keeps on growing.…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Reactant adsorption in analytical pulse voltammetry: Methodology and recommendations (Technical Report)

Leeuwen¹,

Buffle²,

Lovrić³

1992

Pure and Applied Chemistry

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Section: Survey Of Quantitative Theorymentioning

confidence: 99%

“…What remains from eqn. (6) is the flux equation for the purely adsorptive diffusional transport of 0.…”

Section: Survey Of Quantitative Theorymentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Reactant adsorption in analytical pulse voltammetry: Methodology and recommendations (Technical Report)

Leeuwen¹,

Buffle²,

Lovrić³

1992

Pure and Applied Chemistry

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“…This is worthwhile because other models of polar fluids undergo condensation even in zero field. For example, in the Stockmayer fluid, the particles interact via Lennard-Jones (LJ) and dipole-dipole potentials, and this model's vapor-liquid critical point has been determined precisely for a broad range of interaction parameters using computer simulations [40][41][42][43][44][45][46][47][48][49][50][51][52]. From the theoretical point of view, the presence of the soft core in the interaction complicates the picture considerably, but it can be treated by using a suitable reference hard-sphere fluid with a particle diameter that depends on the interaction parameters and the temperature [53].…”

Section: Introductionmentioning

confidence: 99%

Thermodynamics of ferrofluids in applied magnetic fields

2013

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The thermodynamic properties of ferrofluids in applied magnetic fields are examined using theory and computer simulation. The dipolar hard sphere model is used. The second and third virial coefficients (B 2 and B 3 ) are evaluated as functions of the dipolar coupling constant λ, and the Langevin parameter α. The formula for B 3 for a system in an applied field is different from that in the zero-field case, and a derivation is presented. The formulas are compared to results from Mayer-sampling calculations, and the trends with increasing λ and α are examined. Very good agreement between theory and computation is demonstrated for the realistic values λ 2. The analytical formulas for the virial coefficients are incorporated in to various forms of virial expansion, designed to minimize the effects of truncation. The theoretical results for the equation of state are compared against results from Monte Carlo simulations. In all cases, the so-called logarithmic free energy theory is seen to be superior. In this theory, the virial expansion of the Helmholtz free energy is re-summed in to a logarithmic function. Its success is due to the approximate representation of high-order terms in the virial expansion, while retaining the exact low-concentration behavior. The theory also yields the magnetization, and a comparison with simulation results and a competing modified mean-field theory shows excellent agreement. Finally, the putative field-dependent critical parameters for the condensation transition are obtained and compared against existing simulation results for the Stockmayer fluid. Dipolar hard spheres do not undergo the transition, but the presence of isotropic attractions, as in the Stockmayer fluid, gives rise to condensation even in zero field. A comparison of the relative changes in critical parameters with increasing field strength shows excellent agreement between theory and simulation, showing that the theoretical treatment of the dipolar interactions is robust.

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“…According to Monte-Carlo calculations by Hendriks, van Leeuwen et al [154,155,156] contribution. It may seem that in such a case the short-range attraction should play no more any role and that Stockmayer particles with high λ should behave similar to dipolar hard spheres.…”

Section: A Dilute/dense Phase Transitionsmentioning

confidence: 99%

Magnetic Properties of Colloidal Suspensions of Interacting Magnetic Particles

Huke

Luecke

2005

ChemInform

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We review equilibrium thermodynamic properties of systems of magnetic particles like ferrofluids in which dipolar interactions play an important role. The review is focussed on two subjects: (i) the magnetization with the initial magnetic susceptibility as a special case and (ii) the phase transition behavior. Here the condensation ("gas/liquid") transition in the subsystem of the suspended particles is treated as well as the isotropic/ferromagnetic transition to a state with spontaneously generated long-range magnetic order.

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Deviation from corresponding-states behaviour for polar fluids

Cited by 48 publications

References 12 publications

Reactant adsorption in analytical pulse voltammetry: Methodology and recommendations (Technical Report)

Reactant adsorption in analytical pulse voltammetry: Methodology and recommendations (Technical Report)

Thermodynamics of ferrofluids in applied magnetic fields

Magnetic Properties of Colloidal Suspensions of Interacting Magnetic Particles

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