Advertisement

Diffusion coefficient of dodecane in hexane

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

Abstract

This chapter provides the diffusion coefficient of dodecane in hexane at different concentrations measured using Loschmidt cell (closed tube)and forced Rayleigh scattering.

3 Diffusion in Liquid Mixtures

3.1. Data

3.1.1. Diffusion in Binary Mixtures

C12 H26

(1)

dodecane

112-40-3

C6 H14

(2)

hexane

110-54-3

Mutual Diffusion Coefficient: D12(wi); T = 298.15 ± 0.1 K; Method: CT

Ref.: [2012D3]

w 1

p [kPa]

D ⋅ 109 [m2/s]

 

0.18

101.32

2.48 ± 3%

 

0.46

101.32

2.24 ± 3%

 

0.50

101.32

2.13 ± 3%

 

0.500

101.32

2.09 ± 3%

 

0.66

101.32

1.93 ± 3%

 

0.82

101.32

1.72 ± 3%

 

0.95

101.32

1.51 ± 3%

 

Comment: CT (Loschmidt tube) in liquid mixtures it is called Sliding Symmetric Tubes

Mutual Diffusion Coefficient: D12(xi); T = 298.15 K; Method: FRS

Ref.: [2006W1]

x 1

p [kPa]

D ⋅ 109 [m2/s]

 

0.014

101.32

2.69 ± 5%

 

0.145

101.32

2.28 ± 5%

 

0.334

101.32

2.15 ± 5%

 

0.60

101.32

1.61 ± 5%

 

0.96

101.32

1.42 ± 5%

 

Comment extracted from graphics

Symbols and Abbreviations

Short Form

Full Form

D

diffusion coefficient

p

pressure

T

temperature

FRS

forced Rayleigh scattering

CT

Loschmidt cell (closed tube)

w i

mass fraction

x i

mole fraction

References

  1. [2006W1]
    Wittko G., Koehler, W.: Eur. Phys. J. E 21 (2006) 283–291.CrossRefPubMedGoogle Scholar
  2. [2012D3]
    de Mezquia D. A., Bou-Ali, M. M., Larranaga, M., Madariaga, J. A., Santamaria, C.: J. Phys. Chem. B 116 (2012) 2814–2819.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

Personalised recommendations