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Diffusion coefficient of P-(2-ethylhexyl)-phosphonic acid mono-(2-ethylhexyl)ester in heptane

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

Abstract

This chapter provides the diffusion coefficient of P-(2-ethylhexyl)-phosphonic acid mono-(2-ethylhexyl)ester in heptane at different concentrations measured using diaphragm cell.

3 Diffusion in Liquid Mixtures

3.1. Data

3.1.1. Diffusion in Binary Mixtures

C16 H35 O3 P

(1)

P-(2-ethylhexyl)-phosphonic acid mono-(2-ethylhexyl)ester

14802-03-0

C7 H16

(2)

heptane

142-82-5

Mutual Diffusion Coefficient: D12(c i ); T = 298.15 K; Method: DIA

Ref.: [1990D5]

c1 [mol/dm3]

p [kPa]

D ⋅ 109 [m2/s]

 

0.00062

101.32

1.018 ± 0.0098

 

0.00223

101.32

0.981 ± 0.0144

 

0.00439

101.32

0.938 ± 0.0052

 

0.00605

101.32

0.970 ± 0.0014

 

0.00875

101.32

0.944 ± 0.0028

 

0.01280

101.32

0.968 ± 0.0294

 

0.01870

101.32

0.976 ± 0.0306

 

0.02430

101.32

0.941 ± 0.0140

 

0.05300

101.32

0.984 ± 0.0066

 

0.09850

101.32

0.962 ± 0.0070

 
Symbols and Abbreviations

Short Form

Full Form

D

diffusion coefficient

p

pressure

T

temperature

DIA

diaphragm cell

c i

molarity

References

  1. [1990D5]
    Dreisinger, D. B., Cooper, W. C.: Solvent Extr. Ion Exch. 8 (1990) 893–905.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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