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Diffusion coefficient of dodecane in heptane

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

Abstract

This chapter provides the diffusion coefficient of dodecane in heptane at different concentrations measured using Loschmidt cell (closed tube)and interferometry.

3 Diffusion in Liquid Mixtures

3.1. Data

3.1.1. Diffusion in Binary Mixtures

C12 H26

(1)

dodecane

112-40-3

C7 H16

(2)

heptane

142-82-5

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

Ref.: [2012D3]

w 1

p [kPa]

D ⋅ 109 [m2/s]

 

0.16

101.32

2.09 ± 3%

 

0.42

101.32

1.84 ± 3%

 

0.50

101.32

1.70 ± 3%

 

0.63

101.32

1.64 ± 3%

 

0.80

101.32

1.48 ± 3%

 

0.94

101.32

1.37 ± 3%

 

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

Mutual Diffusion Coefficient: D12(wi); T = 298.15 ± 0.02 K; Method: INT

Ref.: [1975Z1]

w 1

p [kPa]

D ⋅ 109 [m2/s]

 

0.0

101.32

2.05

 

0.20

101.32

1.90

 

0.40

101.32

1.75

 

0.60

101.32

1.60

 

0.80

101.32

1.44

 

1.00

101.32

1.26

 
Symbols and Abbreviations

Short Form

Full Form

D

diffusion coefficient

p

pressure

T

temperature

INT

interferometry

CT

Loschmidt cell (closed tube)

w i

mass fraction

References

  1. [1975Z1]
    Zemdikhanov, K. B., Usmanov, A. G.: Zh. Fiz. Khim. 49 (1975) 481–484.Google 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.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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