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Diffusion coefficient of heptane in hexadecane

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

Abstract

This chapter provides the diffusion coefficient of heptane in hexadecane at different concentrations measured using interferometry and diaphragm cell.

3 Diffusion in Liquid Mixtures

3.1. Data

3.1.1. Diffusion in Binary Mixtures

C7 H16

(1)

heptane

142-82-5

C16 H34

(2)

hexadecane

544-76-3

Mutual Diffusion Coefficient: D12(xi); T = 298.25 ± 0.05 K; Method: MZ-INT

Ref.: [1964B1]

x 2

p [kPa]

D ⋅ 109 [m2/s]

 

0.0056

101.32

1.775

 

0.1064

101.32

1.586

 

0.2024

101.32

1.451

 

0.3934

101.32

1.238

 

0.5821

101.32

1.065

 

0.7920

101.32

0.895

 

0.9761

101.32

0.760

 

Comment: average deviation: ±0.5%

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

Ref.: [1949T1]

T [K]

p [kPa]

D ⋅ 109 [m2/s]

 

298.15 ± 0.02

101.32

1.00 ± 0.01

 

318.15 ± 0.02

101.32

1.44 ± 0.06

 

338.15 ± 0.02

101.32

2.04 ± 0.03

 

Comment: composition of mixture: x1 = 0.50

Mutual Diffusion Coefficient: D12(xi); T = 298.25 K; Method: No Stand

Ref.: [1972K10]

x 1

p [kPa]

D ⋅ 109 [m2/s]

 

0.106

101.32

1.60 ± 0.06

 

Comment: data from Soret measurements

Symbols and Abbreviations

Short Form

Full Form

D

diffusion coefficient

p

pressure

T

temperature

x i

mole fraction

No Stand

no standard method used

INT

interferometry

DIA

diaphragm cell

References

  1. [1949T1]
    Trevoy, D. J., Drickamer, H. G.: J. Chem. Phys. 17 (1949) 1117.CrossRefGoogle Scholar
  2. [1964B1]
    Bidlack, D. L., Anderson, D. K.: J. Phys. Chem. 68 (1964) 3790–3794.CrossRefGoogle Scholar
  3. [1972K10]
    Korsching, H.: Z. Naturforsch. A 27 (1972) 1381.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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