Advertisement

Diffusion coefficient of 3,6,9,12,15-pentaoxaheneicosan-1-ol into heptane and dideuterium oxide

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

Abstract

This chapter provides the diffusion coefficient of 3,6,9,12,15-pentaoxaheneicosan-1-ol into heptane and dideuterium oxide 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

C16 H34 O6

(1)

3,6,9,12,15-pentaoxaheneicosan-1-ol

86674-95-5

C7 H16

(2)

heptane

142-82-5

D2 O

(3)

dideuterium oxide

7789-20-0

Intradiffusion Coefficient: DiT (xi); T = 299.85 ± 0.5 K; Method: NMR PG

Ref.: [1986O2]

w 1

w 2

p [kPa]

D1T ⋅ 1010 [m2/s]

D2T ⋅ 1010 [m2/s]

D3T ⋅ 1010 [m2/s]

0.075

0.416

101.325

0.548 ± 0.025

7.98 ± 0.22

11.92 ± 0.35

0.075

0.510

101.325

0.626 ± 0.030

8.47 ± 0.22

12.17 ± 0.70

T = 299.75 ± 0.5 K

0.090

0.456

101.325

0.574 ± 0.027

8.64 ± 0.26

11.65 ± 0.64

T = 303.05 ± 0.5 K

0.075

0.416

101.325

1.436 ± 0.030

21.01 ± 0.46

3.09 ± 0.14

0.075

0.510

101.325

1.647 ± 0.060

21.79 ± 0.55

4.83 ± 0.22

0.090

0.456

101.325

1.379 ± 0.046

20.39 ± 0.50

5.68 ± 0.34

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. [1986O2]
    Olsson U., Shinoda, K., Lindman, B.: J. Phys. Chem. 90 (1986) 4083–4088.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