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Diffusion coefficient of heptane in octane at infinite dilution

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

Abstract

This chapter provides the diffusion coefficient of heptane in octane at infinite dilution for various temperature and pressure conditions measured using porous frits, plug or barrier and Taylor dispersion technique.

3 Diffusion in Liquid Mixtures

3.1. Data

3.1.2. Diffusion in Binary Mixtures at Infinite Dilution

C7 H16

(1)

heptane

142-82-5

C8 H18

(2)

octane

111-65-9

Diffusion Coefficient at infinite dilution: p = 101.325 kPa; Method: TAYLOR

Ref.: [1989E6]

T [K]

Type

D ⋅ 109 [m2/s]

 

304

D 0 1(2)

2.66 ± 0.02

 

335

D 0 1(2)

3.85 ± 0.05

 

361

D 0 1(2)

4.98 ± 0.08

 

387

D 0 1(2)

6.22 ± 0.06

 

411

D 0 1(2)

8.12 ± 0.04

 

435

D 0 1(2)

10.07 ± 0.10

 

Diffusion Coefficient at infinite dilution: p = 101.325 kPa; Method: PF

Ref.: [1974M5]

T [K]

Type

D ⋅ 109 [m2/s]

 

293.15 ± 0.01

D 0 1(2)

2.33

 

298.15 ± 0.01

D 0 1(2)

2.50

 

303.15 ± 0.01

D 0 1(2)

2.35

 

313.15 ± 0.01

D 0 1(2)

2.74

 

Comment: average precision: ±4%

Symbols and Abbreviations

Short Form

Full Form

D

diffusion coefficient

p

pressure

T

temperature

TAYLOR

Taylor dispersion technique

PF

porous frits, plug or barrier

References

  1. [1974M5]
    Moore, J. W., Wellek, R. M.: J. Chem. Eng. Data 19 (1974) 136–140.CrossRefGoogle Scholar
  2. [1989E6]
    Erkey, C., Akgerman, A.: AIChE J. 35 (1989) 443–448.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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