Advertisement

Diffusion coefficient of octanoic acid sodium salt into water and 2-butoxy-ethanol

  • 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 2-butoxy-ethanol 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

C6 H14 O2

(3)

2-butoxy-ethanol

111-76-2

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

0.0

101.325

 

1.60 ± 3%

 

0.15

0.10

101.325

 

1.37 ± 3%

0.36 ± 3%

0.15

0.33

101.325

 

1.01 ± 3%

0.32 ± 3%

0.15

0.45

101.325

 

0.757 ± 3%

0.30 ± 3%

0.15

0.60

101.325

 

0.53 ± 3%

0.27 ± 3%

0.15

0.73

101.325

 

0.38 ± 3%

0.23 ± 3%

0.15

0.81

101.325

 

0.30 ± 3%

 

0.15

0.85

101.325

 

0.26 ± 3%

0.22 ± 3%

0.15

0.91

101.325

 

0.26 ± 3%

0.21 ± 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

Personalised recommendations