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Diffusion coefficient of tetrachloro-methane in 2,2-dimethyl-propionic acid

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

Abstract

This chapter provides the diffusion coefficient of tetrachloro-methane in 2,2-dimethyl-propionic 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

C5 H10 O2

(2)

2,2-dimethyl-propionic acid

75-98-9

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

Ref.: [1986F3]

x 2

p [bar]

D ⋅ 109 [m2/s]

 

0.05

1

1.49 ± 2%

 

0.20

1

1.31 ± 2%

 

0.35

1

1.13 ± 2%

 

0.50

1

1.01 ± 2%

 

0.65

1

0.83 ± 2%

 

0.80

1

0.74 ± 2%

 

1.0

1

0.52 ± 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

−26.481

1.148

0.0052

−621.

5.86 ⋅ 10−3

 

0.20

−21.217

0.348

0.0062

−967.

6.90 ⋅ 10−3

 

0.35

−27.107

1.901

0.0009

−1266.

4.86 ⋅ 10−3

 

0.50

−4.306

−0.308

−0.0130

−3264.

6.37 ⋅ 10−3

 

0.65

5.333

−0.459

−0.0261

−4794.

4.84 ⋅ 10−3

 

0.80

−10.237

−0.437

−0.0010

−2459.

10.44 ⋅ 10−3

 

1.0

−20.551

0.545

0.0050

−1691.

8.37 ⋅ 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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