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Diffusion coefficient of tetrachloro-methane in octamethyl-cyclotetrasiloxane

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

Abstract

This chapter provides the diffusion coefficient of tetrachloro-methane in octamethyl-cyclotetrasiloxane 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

C8 H24 O4 Si4

(2)

octamethyl-cyclotetrasiloxane

556-67-2

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

Ref.: [1986F2]

x 2

p [bar]

D ⋅ 109 [m2/s]

 

0.0

1

0.88*

 

0.05 ± 0.002%

1

0.83 ± 5%

 

0.23 ± 0.002%

1

0.66 ± 2%

 

0.38 ± 0.002%

1

0.56 ± 2%

 

0.53 ± 0.002%

1

0.49 ± 2%

 

0.70 ± 0.002%

1

0.45 ± 2%

 

1.0

1

0.39 ± 2%

 

Comment: *: extrapolated

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

Ref.: [1986F2]

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

−15.652

−1569.

3 ⋅ 10−4

 

0.23

−15.336

−1729.

4 ⋅ 10−4

 

0.38

−14.949

−1896.

2 ⋅ 10−4

 

0.53

−14.796

−1978.

7 ⋅ 10−4

 

0.70

−14.749

−2021.

3 ⋅ 10−4

 

1.0

−14.599

−2110.

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. [1986F2]
    Fischer, J., Weiss, A.: Ber. Bunsen-Ges. Phys. Chem. 90 (1986) 1129–1141.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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