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Diffusion coefficient of 11,17,21-trihydroxy-pregn-4-ene-3,20-dione into cyclohepta-amylose and water

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

Abstract

This chapter provides the diffusion coefficient of 11,17,21-trihydroxy-pregn-4-ene-3,20-dione into cyclohepta-amylose and water at different concentrations measured using Taylor dispersion technique.

3 Diffusion in Liquid Mixtures

3.1. Data

3.1.3. Diffusion in Ternary Mixtures

C21 H30 O5

(1)

11,17,21-trihydroxy-pregn-4-ene-3,20-dione

50-23-7

C42 H70 O35

(2)

cyclohepta-amylose

7585-39-9

H2 O

(3)

water

7732-18-5

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

Ref.: [2013R7]

T = 298.15 ± 0.01 K; p = 101.325 kPa

c1 [mol/dm3]

c2 [mol/dm3]

D11 ⋅ 109 [m2/s]

D12 ⋅ 109 [m2/s]

D21 ⋅ 109 [m2/s]

D22 ⋅ 109 [m2/s]

0.0000

0.0005

0.579 ± 0.013

0.050 ± 0.059

0.004 ± 0.004

0.330 ± 0.017

0.0005

0.0000

0.549 ± 0.010

0.049 ± 0.050

0.008 ± 0.004

0.331 ± 0.016

0.0005

0.0005

0.524 ± 0.010

0.090 ± 0.091

0.001 ± 0.002

0.329 ± 0.012

Symbols and Abbreviations

Short Form

Full Form

D

diffusion coefficient

p

pressure

T

temperature

c i

molarity

TAYLOR

Taylor dispersion technique

References

  1. [2013R7]
    Ribeiro A. C. F., Verissimo, L. M. P., Santos, C. I. A. V., Cabral, A. M. T. D., Veiga, F. J. B., Esteso, M. A.: Int. J. Pharm. 441 (2013) 352–355.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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