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Diffusion coefficient of octane in heptane

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

Abstract

This chapter provides the diffusion coefficient of octane in heptane at different concentrations measured using NMR spin echo pulse gradient.

3 Diffusion in Liquid Mixtures

3.1. Data

3.1.1. Diffusion in Binary Mixtures

C8 H18

(1)

octane

111-65-9

C7 H16

(2)

heptane

142-82-5

Intradiffusion Coefficient: D1T (xi); T = 293.15 K; Method: NMR PG

Ref.: [2011D1]

x 2

p [kPa]

D ⋅ 109 [m2/s]

 

0.0

101.32

2.17

 

0.1

101.32

2.21

 

0.2

101.32

2.24

 

0.3

101.32

2.31

 

0.4

101.32

2.36

 

0.5

101.32

2.41

 

0.6

101.32

2.47

 

0.7

101.32

2.53

 

0.8

101.32

2.58

 

0.9

101.32

2.62

 

1.0

101.32

2.71

 

Intradiffusion Coefficient: D1T (T); Method: NMR PG

Ref.: [2011D1]

T [K]

p [MPa]

D ⋅ 109 [m2/s]

 

293.15

101.32

2.41

 

297.15

101.32

2.63

 

300.15

101.32

2.79

 

304.15

101.32

2.95

 

308.15

101.32

3.10

 

Comment: composition of mixture: x1 = 0.500

Symbols and Abbreviations

Short Form

Full Form

D

diffusion coefficient

p

pressure

T

temperature

x i

mole fraction

NMR PG

NMR spin echo pulse gradient

References

  1. [2011D1]
    D’Agostino C., Mantle, M. D., Gladden, L. F., Moggridge, G. D.: Chem. Eng. Sci. 66 (2011) 3898–3906.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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