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Diffusion coefficient of octanoic acid sodium salt into water and ethane-1,2-diol

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

Abstract

This chapter provides the diffusion coefficient of octanoic acid sodium salt into water and ethane-1,2-diol at different concentrations measured using NMR spin echo pulse gradient.

3 Diffusion in Liquid Mixtures

3.1. Data

3.1.3. Diffusion in Ternary Mixtures

C8 H15 Na O2

(1)

octanoic acid sodium salt

1984-06-1

H2 O

(2)

water

7732-18-5

C2 H6 O2

(3)

ethane-1,2-diol

107-21-1

Intradiffusion Coefficient: DiT (x i ); T = 299.65 ± 0.5 K; Method: NMR PG

Ref.: [1986W3]

w 1

w3/w2

p [kPa]

D1T ⋅ 109 [m2/s]

D2T ⋅ 109 [m2/s]

D3T ⋅ 109 [m2/s]

0.15

0.00

101.325

0.16 ± 3%

1.60 ± 3%

 

0.15

0.06

101.325

0.16 ± 3%

  

0.15

0.10

101.325

0.14 ± 3%

1.20 ± 3%

0.59 ± 3%

0.15

0.17

101.325

0.13 ± 3%

  

0.15

0.28

101.325

 

0.89 ± 3%

0.37 ± 3%

0.15

0.50

101.325

 

0.57 ± 3%

0.26 ± 3%

0.15

0.71

101.325

 

0.35 ± 3%

0.14 ± 3%

0.15

0.85

101.325

 

0.20 ± 3%

0.076 ± 3%

0.15

0.95

101.325

 

0.14 ± 3%

0.055 ± 3%

0.15

1.00

101.325

  

0.055 ± 3%

Comment: data extracted from graphics; variable: mass fraction w1 , ratio w3/w2

Symbols and Abbreviations

Short Form

Full Form

D

diffusion coefficient

p

pressure

T

temperature

w i

mass fraction

NMR PG

NMR spin echo pulse gradient

References

  1. [1986W3]
    Waernheim T., Henriksson, U.: J. Colloid Interface Sci. 112 (1986) 66–78.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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