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Diffusion coefficient of water in methanol

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

Abstract

This chapter provides the diffusion coefficient of water in methanol at different concentrations measured using open ended capillary, diaphragm cell and Taylor dispersion technique.

3 Diffusion in Liquid Mixtures

3.1. Data

3.1.1. Diffusion in Binary Mixtures

H2 O

(1)

water

7732-18-5

C2 D6 O S

(2)

dimethyl-sulfoxide-d6

2206-27-1

Intradiffusion Coefficient: D1T (T); Method: NMR FG

Ref.: [1984F3]

T [K]

p [MPa]

D ⋅ 109 [m2/s]

 

234.19 ± 0.5

101.32

0.0279 ± 5%

 

238.43 ± 0.5

101.32

0.0318 ± 5%

 

245.82 ± 0.5

101.32

0.0562 ± 5%

 

252.08 ± 0.5

101.32

0.0806 ± 5%

 

255.82 ± 0.5

101.32

0.1043 ± 5%

 

264.41 ± 0.5

101.32

0.1404 ± 5%

 

275.40 ± 0.5

101.32

0.2694 ± 5%

 

286.36 ± 0.5

101.32

0.4384 ± 5%

 

297.17 ± 0.5

101.32

0.6074 ± 5%

 

Comment: composition of the mixture: x2 = 0.32

Intradiffusion Coefficient: D1T (T); Method: NMR FG

Ref.: [1984F3]

Equation: D = A ∙ exp[B/R (TC)]

Range: 234 < T/K < 298

Comment: D1T [m2/s] = D ∙ 10−4

Parameter:

x 2

A ∙ 103

B

C

 

0.320

5.25

−10,992

101.2

Symbols and Abbreviations

Short Form

Full Form

D

diffusion coefficient

p

pressure

T

temperature

NMR FG

NMR spin echo field gradient

x i

mole fraction

References

  1. [1984F3]
    Frech, T., Hertz, H. G.: Z. Phys. Chem. (Munich) 142 (1984) 43–65.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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