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Diffusion coefficient of tetradecane in heptane

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

Abstract

This chapter provides the diffusion coefficient of tetradecane in heptane at different concentrations measured using diaphragm cell, Loschmidt cell (closed tube) and interferometry.

3 Diffusion in Liquid Mixtures

3.1. Data

3.1.1. Diffusion in Binary Mixtures

C14 H30

(1)

tetradecane

629-59-4

C7 H16

(2)

heptane

142-82-5

Mutual Diffusion Coefficient: D12(wi); T = 298.15 ± 0.02 K; Method: INT

Ref.: [1975Z1]

w 1

p [kPa]

D ⋅ 109 [m2/s]

 

0.0

101.32

1.84

 

0.20

101.32

1.68

 

0.40

101.32

1.53

 

0.60

101.32

1.34

 

0.80

101.32

1.14

 

1.00

101.32

0.94

 

Mutual Diffusion Coefficient: D12(x1); Method: DIA

Ref.: [1998Y3]

Equation: D = A + B x + C x2 + E x3 + F x4

Range: 0.0 < x1 < 1.0

Comment: D12 [m2/s] = D ∙ 10−9

Parameter:

T [K]

A

B

C

E

F

Std-Dev

 

298.1

3.860

−4.368

7.084

−10.61

6.719

0.015

Symbols and Abbreviations

Short Form

Full Form

D

diffusion coefficient

p

pressure

T

temperature

INT

interferometry

DIA

diaphragm cell

CT

Loschmidt cell (closed tube)

w i

mass fraction

x i

mole fraction

References

  1. [1975Z1]
    Zemdikhanov, K. B., Usmanov, A. G.: Zh. Fiz. Khim. 49 (1975) 481–484.Google Scholar
  2. [1998Y3]
    Yang, X. N.: J. Solution Chem. 27 (1998) 261–272.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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