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Diffusion coefficient of tetrachloro-methane in trifluoro-acetic acid

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

Abstract

This chapter provides the diffusion coefficient of tetrachloro-methane in trifluoro-acetic acid 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

C Cl4

(1)

tetrachloro-methane

56-23-5

C2 H F3 O2

(2)

trifluoro-acetic acid

76-05-1

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

Ref.: [1986F3]

Equation: ln D = A + B/T

Range: 285 < T/K < 345

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

Parameter:

x 2

A

B

Std-Dev

 

0.05

−15.338

−1518.

2 ⋅ 10−4

 

0.20

−15.312

−1519.

1 ⋅ 10−4

 

0.35

−15.269

−1527.

1 ⋅ 10−4

 

0.50

−15.191

−1543.

2 ⋅ 10−4

 

0.65

−15.251

−1517.

4 ⋅ 10−4

 

0.80

−15.408

−1498.

3 ⋅ 10−4

 

0.95

−15.248

−1572.

3 ⋅ 10−4

 

1.0

−15.130

−1617.

2 ⋅ 10−4

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

Ref.: [1986F3]

x 2

p [bar]

D ⋅ 109 [m2/s]

 

0.05

1

1.34 ± 2%

 

0.20

1

1.37 ± 2%

 

0.35

1

1.39 ± 2%

 

0.50

1

1.43 ± 2%

 

0.65

1

1.47 ± 2%

 

0.80

1

1.34 ± 2%

 

0.95

1

1.23 ± 2%

 

1.0

1

1.18 ± 2%

 
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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