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Diffusion coefficient of water into bis(2-ethylhexyl) sulfosuccinic acid sodium salt and octane

  • Jochen Winkelmann
Part of the Physical Chemistry book series (volume 15B2)

Abstract

This chapter provides the diffusion coefficient of water into bis(2-ethylhexyl) sulfosuccinic acid sodium salt and octane at different concentrations measured using Taylor dispersion technique.

3 Diffusion in Liquid Mixtures

3.1. Data

3.1.3. Diffusion in Ternary Mixtures

H2 O

(1)

water

7732-18-5

C20 H37 Na O7 S

(2)

bis(2-ethylhexyl) sulfosuccinic acid sodium salt

577-11-7

C8 H18

(3)

octane

111-65-9

Mutual Diffusion Coefficient Matrix: Dij (ci, cj); Method: TAYLOR

Ref.: [2008V2]

T = 296.15 K; p = 101.325 kPa

c1/c2

φ1 + φ2

D11 ⋅ 109 [m2/s]

D12 ⋅ 109 [m2/s]

D21 ⋅ 109 [m2/s]

D22 ⋅ 109 [m2/s]

11.84

0.18

0.06 ± 0.004

0.78 ± 0.2

−0.001 ± 0.0002

0.13 ± 0.004

Comment: measurements in a water-in-oil microemulsion; molar ratio c1/c2 and volume fraction (phi1 + phi2)

Symbols and Abbreviations

Short Form

Full Form

D

diffusion coefficient

p

pressure

T

temperature

φ i

volume fraction

c i

molarity

TAYLOR

Taylor dispersion technique

References

  1. [2008V2]
    Vanag V. K., Rossi, F., Cherkashin, A., Epstein, I. R.: J. Phys. Chem. B 112 (2008) 9058–9070.CrossRefGoogle Scholar

Copyright information

© Springer-Verlag GmbH Germany 2018

Authors and Affiliations

  • Jochen Winkelmann
    • 1
  1. 1.Universität Halle-Wittenberg, Institut für Physikalische ChemieHalle/S.Germany

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