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Diffusion coefficient of 2,3-dihydro-5,7-dihydroxy-2-(4- hydroxyphenyl)-4H-1-benzopyran-4-one in methanol at infinite dilution

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

Abstract

This chapter provides the diffusion coefficient of 2,3-dihydro-5,7-dihydroxy-2-(4- hydroxyphenyl)-4H-1-benzopyran-4-one in methanol at infinite dilution for various temperature and pressure conditions measured using Taylor dispersion technique.

3 Diffusion in Liquid Mixtures

3.1. Data

3.1.2. Diffusion in Binary Mixtures at Infinite Dilution

C15 H12 O5

(1)

2,3-dihydro-5,7-dihydroxy-2-(4-hydroxyphenyl)-4H-1-benzopyran-4-one

480-41-1

C H4 O

(2)

methanol

67-56-1

Diffusion Coefficient at infinite dilution: p = 101.325 kPa; Method: TAYLOR

Ref.: [1999R2]

T [K]

Type

D ⋅ 109 [m2/s]

 

298.15

D 0 1(2)

1.404 ± 0.031

 

Comment: solute concentration 5.0 ⋅ 10−4 mol/dm3

Symbols and Abbreviations

Short Form

Full Form

D

diffusion coefficient

p

pressure

T

temperature

TAYLOR

Taylor dispersion technique

References

  1. [1999R2]
    Rezende M. C., Moll, A. U., Gonzalez, L. C., Beezer, A., Mitchell, J. C.: J. Solution Chem. 28 (1999) 1107–1112.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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