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Diffusion coefficient of 2-methyl-propionic acid in 1-methylethyl-benzene

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

Abstract

This chapter provides the diffusion coefficient of 2-methyl-propionic acid in 1-methylethyl-benzene at different concentrations measured using Taylor dispersion technique.

3 Diffusion in Liquid Mixtures

3.1. Data

3.1.1. Diffusion in Binary Mixtures

C4 H8 O2

(1)

2-methyl-propionic acid

79-31-2

C9 H12

(2)

1-methylethyl-benzene

98-82-8

Mutual Diffusion Coefficient: D12(x i ); T = 283.15 K; Method: TAYLOR

Ref.: [1989M3]

x 1

p [kPa]

D ⋅ 109 [m2/s]

 

0.0019

101.32

1.026 ± 4.6%

 

0.1999

101.32

0.910 ± 2.6%

 

0.4031

101.32

0.920 ± 4.4%

 

0.6018

101.32

0.874 ± 1.9%

 

0.8005

101.32

0.908 ± 3.9%

 

0.9993

101.32

0.895 ± 7.9%

 

Mutual Diffusion Coefficient: D12(x i ); T = 303.15 K; Method: TAYLOR

Ref.: [1989M3]

x 1

p [kPa]

D ⋅ 109 [m2/s]

 

0.0021

101.32

1.410 ± 2.5%

 

0.1998

101.32

1.290 ± 3.2%

 

0.3992

101.32

1.233 ± 2.8%

 

0.5999

101.32

1.267 ± 2.3%

 

0.8001

101.32

1.244 ± 3.5%

 

0.9994

101.32

1.247 ± 3.2%

 
Symbols and Abbreviations

Short Form

Full Form

D

diffusion coefficient

p

pressure

T

temperature

x i

mole fraction

TAYLOR

Taylor dispersion technique

References

  1. [1989M3]
    Melzer, W.-M., Baldauf, W., Knapp, H.: Chem. Eng. Proc. 26 (1989) 71–79.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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