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Diffusion coefficient of hexafluoro-benzene in cyclohexane

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

Abstract

This chapter provides the diffusion coefficient of hexafluoro-benzene in cyclohexane at different concentrations measured using NMR spin echo pulse gradient and diaphragm cell.

3 Diffusion in Liquid Mixtures

3.1. Data

3.1.1. Diffusion in Binary Mixtures

C6 H5 Br

(1)

bromobenzene

108-86-1

C2 H3 N

(2)

acetonitrile

75-05-8

Mutual Diffusion Coefficient: D12(x i ); T = 293.15 ± 0.1 K; Method: DLS

Ref.: [1991F2]

x 1

p [kPa]

D ⋅ 109 [m2/s]

 

0.05

101.32

2.26 ± 0.13

 

0.10

101.32

1.86 ± 0.05

 

0.15

101.32

1.62 ± 0.02

 

0.20

101.32

1.40 ± 0.02

 

0.25

101.32

1.31 ± 0.02

 

0.30

101.32

1.19 ± 0.01

 

0.35

101.32

1.16 ± 0.01

 

0.40

101.32

1.07 ± 0.02

 

0.45

101.32

1.06 ± 0.02

 

0.50

101.32

1.04 ± 0.02

 

0.55

101.32

1.04 ± 0.02

 

0.60

101.32

1.06 ± 0.02

 

0.65

101.32

1.10 ± 0.02

 

0.70

101.32

1.17 ± 0.02

 

0.75

101.32

1.20 ± 0.02

 

0.80

101.32

1.28 ± 0.03

 

0.85

101.32

1.37 ± 0.08

 

0.90

101.32

1.5 ± 0.15

 

0.94

101.32

1.57 ± 0.20

 

Mutual Diffusion Coefficient: D12(xi); Method: DLS

Ref.: [1991F2]

Equation: ln D = A + B x + C x2 + E x3

Range: 0.0 < x1 < 1.0

Comment: D12 [m2/s] = D ∙ 10−9

Parameter:

T [K]

A

B

C

E

 

293.15

1.009

−4.3

5.58

−1.74

Symbols and Abbreviations

Short Form

Full Form

D

diffusion coefficient

p

pressure

T

temperature

DLS

dynamic light scattering

x i

mole fraction

References

  1. [1991F2]
    Fiedel, H.-W., Schweiger, G., Lucas, K.: J. Chem. Eng. Data 36 (1991) 169–170.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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