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Diffusion coefficient of 4-hydroxy-benzoic acid methyl ester in water

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

Abstract

This chapter provides the diffusion coefficient of 4-hydroxy-benzoic acid methyl ester in water at different concentrations measured using Taylor dispersion technique.

3 Diffusion in Liquid Mixtures

3.1. Data

3.1.1. Diffusion in Binary Mixtures

C8 H8 O3

(1)

4-hydroxy-benzoic acid methyl ester

99-76-3

H2 O

(2)

water

7732-18-5

Mutual Diffusion Coefficient: D12(ρ1); T = 298.15 K; Method: TAYLOR

Ref.: [2000S6]

ρ1 [kg/m3]

p [kPa]

D ⋅ 109 [m2/s]

 

0.0005

101.32

0.844 ± 0.014

 

0.0010

101.32

0.825 ± 0.030

 

0.0030

101.32

0.814 ± 0.038

 

0.0100

101.32

0.820 ± 0.009

 

0.1000

101.32

0.816 ± 0.007

 

Mutual Diffusion Coefficient: D12(T); Method: TAYLOR

Ref.: [2000S6]

T [K]

p [kPa]

D ⋅ 109 [m2/s]

 

290.15

101.32

0.642 ± 0.001

 

298.15

101.32

0.825 ± 0.030

 

305.15

101.32

0.965 ± 0.018

 

310.15

101.32

1.088 ± 0.014

 

315.15

101.32

1.194 ± 0.013

 

Comment: concentration ρ1 = 1.0 mg/L

Symbols and Abbreviations

Short Form

Full Form

D

diffusion coefficient

p

pressure

T

temperature

ρ

mass density

TAYLOR

Taylor dispersion technique

References

  1. [2000S6]
    Seki T., Okamoto, M., Hosoya, O., Juni, K.: Yakuzaigaku 60 (2000) 114–117.Google 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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