The Effects of Concentration, Pressure, and Temperature on the Diffusion Coefficient and Correlation Length of SDS Micelles

The effects of sodium dodecyl sulfate (SDS) concentration (≤ 10 mass %), temperature (35 and 50 °C), and pressure (0.1 to 100 MPa) on the cooperative diffusion coefficient and static correlation length of micelles in solutions in 1 M NaCl were studied using static and dynamic light scattering. These...

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Bibliographic Details
Published in:The journal of physical chemistry. B Vol. 105; no. 21; pp. 4846 - 4852
Main Authors: Collura, J. S, Harrison, D. E, Richards, C. J, Kole, T. K, Fisch, M. R
Format: Journal Article
Language:English
Published: American Chemical Society 31-05-2001
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Summary:The effects of sodium dodecyl sulfate (SDS) concentration (≤ 10 mass %), temperature (35 and 50 °C), and pressure (0.1 to 100 MPa) on the cooperative diffusion coefficient and static correlation length of micelles in solutions in 1 M NaCl were studied using static and dynamic light scattering. These data are interpreted in terms of models of dilute and semidilute solutions of rod-like polymers. The results indicate that the effects of pressure are most significant near the crossover concentration between dilute and semidilute solution behavior. This concentration is a function of temperature and pressure because both of these thermodynamic parameters affect the mean micellar size.
Bibliography:ark:/67375/TPS-D32LT9T4-7
istex:8137DD9AF944654E0DBAD40A369817443C66483A
ISSN:1520-6106
1520-5207
DOI:10.1021/jp004572h