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Diffusion coefficient of hexafluoro-benzene in 1,3,5-triisopropyl-benzene

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

Abstract

This chapter provides the diffusion coefficient of hexafluoro-benzene in 1,3,5-triisopropyl-benzene 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

C6 F6

(1)

hexafluoro-benzene

392-56-3

C15 H24

(2)

1,3,5-triisopropyl-benzene

717-74-8

Intradiffusion Coefficient: D2T (xi); T = 298.2 K; Method: NMR PG

Ref.: [1986F3]

x 2

p [kPa]

D ⋅ 109 [m2/s]

 

0.05

101.32

1.15 ± 2%

 

0.20

101.32

0.91 ± 2%

 

0.35

101.32

0.71 ± 2%

 

0.50

101.32

0.60 ± 2%

 

0.65

101.32

0.53 ± 2%

 

0.80

101.32

0.46 ± 2%

 

0.95

101.32

0.40 ± 2%

 

1.0

101.32

0.37 ± 2%

 

Intradiffusion Coefficient: D2T (T); Method: NMR PG

Ref.: [1986F3]

Equation: ln D = A + B ln T + C T + E/T

Range: 285 < T/K < 345

Comment: Std-Dev = (1 − r2): least mean square deviation

Parameter:

x 2

A

B

C

E

Std-Dev

 

0.05

−12.961

0.093

−0.0045

−2031.

2.58 ⋅ 10−3

 

0.20

−16.912

0.183

0.0011

−1572.

5.21 ⋅ 10−3

 

0.35

−28.452

1.056

0.0104

−516.

6.78 ⋅ 10−3

 

0.50

−30.538

1.422

0.0093

−479.

10.24 ⋅ 10−3

 

0.65

−21.705

1.377

−0.0039

−1890.

8.89 ⋅ 10−3

 

0.80

−32.868

2.440

0.0019

−915.

11.69 ⋅ 10−3

 

0.95

−23.291

2.876

−0.0171

−2895.

9.10 ⋅ 10−3

 

1.0

−33.405

1.317

0.0137

−261.

10.28 ⋅ 10−3

Symbols and Abbreviations

Short Form

Full Form

D

diffusion coefficient

p

pressure

T

temperature

NMR PG

NMR spin echo pulse gradient

x i

mole fraction

References

  1. [1986F3]
    Fischer, J., Weiss, A.: Ber. Bunsen-Ges. Phys. Chem. 90 (1986) 1141–1153.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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