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Diffusion coefficient of toluene in methanol

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

Abstract

This chapter provides the diffusion coefficient of toluene in methanol at different concentrations measured using Taylor dispersion technique and diaphragm cell.

3 Diffusion in Liquid Mixtures

3.1. Data

3.1.1. Diffusion in Binary Mixtures

C7 H8

(1)

toluene

108-88-3

C H4 O

(2)

methanol

67-56-1

Mutual Diffusion Coefficient: D12(x i ); T = 301 ± 0.5 K; Method: DIA

Ref.: [1991R2]

x 1

p [kPa]

D ⋅ 109 [m2/s]

 

0.0000

101.32

1.374

 

0.0955

101.32

1.264

 

0.2036

101.32

1.185

 

0.3744

101.32

1.170

 

0.6180

101.32

1.364

 

Intradiffusion Coefficient: D1T (T); Method: TAYLOR

Ref.: [1987S14]

T [K]

ρ2 [kg/m3]

D ⋅ 109 [m2/s]

 

313.2

774

3.05 ± 2%

 

373.2

712

6.72 ± 2%

 

423.2

651

11.1 ± 2%

 

473.4

559

18.3 ± 2%

 

Comment: tracer diffusivities along vapor–liquid coexistence curve, given liquid densities of methanol

Intradiffusion Coefficient: D2T (T); Method: DIA

Ref.: [1984E7]

T [K]

p [kPa]

D ⋅ 109 [m2/s]

 

298.15

101.32

3.99 ± 1%

 

Comment: values at trace concentration of 14C labelled component (2)

Symbols and Abbreviations

Short Form

Full Form

D

diffusion coefficient

p

pressure

T

temperature

TAYLOR

Taylor dispersion technique

DIA

diaphragm cell

x i

mole fraction

References

  1. [1984E7]
    Easteal, A. J., Woolf, L. A.: J. Chem. Soc., Faraday Trans. I 80 (1984) 1287–1295.CrossRefGoogle Scholar
  2. [1987S14]
    Sun, C. K. J., Chen, S. H.: Ind. Eng. Chem. Res. 26 (1987) 815–819.CrossRefGoogle Scholar
  3. [1991R2]
    Ramprasad, G., Das, T. R., Mukherjee, A. K.: J. Chem. Eng. Jpn. 24 (1991) 389–391.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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