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

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

Abstract

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

C9 H12

(1)

1,3,5-trimethyl-benzene

108-67-8

C6 F6

(2)

hexafluoro-benzene

392-56-3

Intradiffusion Coefficient: D2T (xi); T = 308.2 K; Method: NMR PG

Ref.: [1986F3]

x 2

p [kPa]

D ⋅ 109 [m2/s]

 

0.05

101.32

1.66 ± 2%

 

0.20

101.32

1.48 ± 2%

 

0.35

101.32

1.32 ± 2%

 

0.50

101.32

1.26 ± 2%

 

0.65

101.32

1.38 ± 2%

 

0.80

101.32

1.64 ± 2%

 

0.95

101.32

1.77 ± 2%

 

1.0

101.32

1.79 ± 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

−14.782

0

0

−1670.

5 ⋅ 10−4

 

0.20

−14.230

0

0

−1875.

2 ⋅ 10−4

 

0.35

−12.965

0

0

−2305.

3 ⋅ 10−4

 

0.50

−12.943

0

0

−2327.

6 ⋅ 10−4

 

0.65

−13.227

0

0

−2212.

8 ⋅ 10−4

 

0.80

−14.561

0

0

−1745.

5 ⋅ 10−4

 

0.95

−15.086

0

0

−1562.

2 ⋅ 10−4

 

1.0

−15.217

0

0

−1516.

4 ⋅ 10−4

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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