Membrane osmometer for use at moderate applied pressures

Corey L. Moses; Luis P. N. Rebelo; W. Alexander Van Hook

doi:10.1002/polb.10623

Membrane osmometer for use at moderate applied pressures

Corey L. Moses, Luis P. N. Rebelo, W. Alexander Van Hook

Research output: Contribution to journal › Article

3 Citations (Scopus)

Abstract

A membrane osmometer designed for use at pressures greater than 0.1 MPa and less than 6 MPa was employed to determine the pressure coefficient of the equilibrium osmotic pressure (∂π/∂P) of a dilute polystyrene/toluene solution. The pressure coefficient of the second virial coefficient (∂A₂/∂P), calculated from ∂π/∂P, was 6 (±4) × 10^-5 cm³ mol g^-2 MPa^-1, which was in reasonable agreement with the value obtained from pressure-dependent light scattering.

Original language	English
Pages (from-to)	3064-3069
Number of pages	6
Journal	Journal of Polymer Science, Part B: Polymer Physics
Volume	41
Issue number	23
DOIs	https://doi.org/10.1002/polb.10623
Publication status	Published - 1 Dec 2003

Keywords

Osometry
Pressure dependence
Second virial coefficient

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abstract = "A membrane osmometer designed for use at pressures greater than 0.1 MPa and less than 6 MPa was employed to determine the pressure coefficient of the equilibrium osmotic pressure (∂π/∂P) of a dilute polystyrene/toluene solution. The pressure coefficient of the second virial coefficient (∂A2/∂P), calculated from ∂π/∂P, was 6 (±4) × 10-5 cm3 mol g-2 MPa-1, which was in reasonable agreement with the value obtained from pressure-dependent light scattering.",

keywords = "Osometry, Pressure dependence, Second virial coefficient",

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AU - Moses, Corey L.

AU - Rebelo, Luis P. N.

AU - Van Hook, W. Alexander

PY - 2003/12/1

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N2 - A membrane osmometer designed for use at pressures greater than 0.1 MPa and less than 6 MPa was employed to determine the pressure coefficient of the equilibrium osmotic pressure (∂π/∂P) of a dilute polystyrene/toluene solution. The pressure coefficient of the second virial coefficient (∂A2/∂P), calculated from ∂π/∂P, was 6 (±4) × 10-5 cm3 mol g-2 MPa-1, which was in reasonable agreement with the value obtained from pressure-dependent light scattering.

AB - A membrane osmometer designed for use at pressures greater than 0.1 MPa and less than 6 MPa was employed to determine the pressure coefficient of the equilibrium osmotic pressure (∂π/∂P) of a dilute polystyrene/toluene solution. The pressure coefficient of the second virial coefficient (∂A2/∂P), calculated from ∂π/∂P, was 6 (±4) × 10-5 cm3 mol g-2 MPa-1, which was in reasonable agreement with the value obtained from pressure-dependent light scattering.

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KW - Pressure dependence

KW - Second virial coefficient

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