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Diffusion coefficient of water into bis(2-ethylhexyl) sulfosuccinic acid sodium salt, propanedioic acid disodium salt and octane at infinite dilution

  • Jochen Winkelmann
Chapter
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, propanedioic acid disodium salt and octane at infinite dilution for different concentrations measured using Taylor dispersion technique.

3 Diffusion in Liquid Mixtures

3.1. Data

3.1.5. Diffusion in Quaternary Mixtures

H2 O

(1)

water

7732-18-5

C20 H37 Na O7 S

(2)

bis(2-ethylhexyl) sulfosuccinic acid sodium salt

577-11-7

C3 H2 Na2 O4

(3)

propanedioic acid disodium salt

141-95-7

C8 H18

(4)

octane

111-65-9

Mutual Diffusion Coefficient Matrix: Dij (xi, xj, xk); Method: TAYLOR

Ref.: [2008V2]

T = 296.15 K; p = 101.325 kPa

c1/c2

φ1 + φ2

c4 [mol/dm3]

Di1 ⋅ 1010 [m2/s]

Di2 ⋅ 1010 [m2/s]

Di3 ⋅ 1010 [m2/s]

11.84

0.18

0.0032

0.53 ± 0.03

4.9 ± 2

7.0 ± 1

   

−0.012 ± 0.002

1.5 ± 0.3

3.0 ± 0.1

   

−0.0012 ± 0.003

−0.04 ± 0.01

0.5 ± 0.07

Comment: measurements in a water-in-oil microemulsion; molar ratio c1/c2, volume fraction φ1 + φ2

Symbols and Abbreviations

Short Form

Full Form

φ i

volume fraction

c i

molarity

D

diffusion coefficient

p

pressure

T

temperature

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.CrossRefPubMedGoogle 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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