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Diffusion coefficient of hexane in benzene

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

Abstract

This chapter provides the diffusion coefficient of hexane in benzene at different concentrations measured using open ended capillary, interferometry and diaphragm cell.

3 Diffusion in Liquid Mixtures

3.1. Data

3.1.1. Diffusion in Binary Mixtures

C6 H14

(1)

hexane

110-54-3

C6 H6

(2)

benzene

71-43-2

Intradiffusion Coefficient: D2T (T); Method: DIA

Ref.: [1984E7]

T [K]

p [kPa]

D ⋅ 109 [m2/s]

 

298.15

101.32

4.68 ± 1%

 

Comment: values at trace concentration of 14C- labelled component (2)

Mutual Diffusion Coefficient: D12(xi); T = 295.35 ± 0.1 K; Method: INT

Ref.: [1961V1]

x 1

p [kPa]

D ⋅ 109 [m2/s]

 

0.0045

101.32

2.13

 

Intradiffusion Coefficient: D1T (xi); Method: OEC

Ref.: [1981H1]

Equation: D = A + B x

Range: 0.0 < x1 < 1.0

Comment: D1T [m2/s] = D ∙ 10−9; Std-Dev = r2 least mean square deviation

Parameter:

T [K]

A ⋅ 109

B ⋅ 109

Std-Dev

 

288.8

1.986

1.724

0.9977

 

298.2

2.355

1.990

0.9928

 

303.2

2.583

2.192

0.9911

 

308.2

2.841

2.241

0.9912

Intradiffusion Coefficient: D2T (xi); Method: OEC

Ref.: [1981H1]

Equation: D = A + B x

Range: 0.0 < x1 < 1.0

Comment: D2T [m2/s] = D ∙ 10−9; Std-Dev = r2 least mean square deviation

Parameter:

T [K]

A ⋅ 109

B ⋅ 109

Std-Dev

 

288.8

1.963

2.666

0.9985

 

298.2

2.200

2.685

0.9977

 

303.2

2.497

2.676

0.9978

 

308.2

2.705

2.658

0.9937

Symbols and Abbreviations

Short Form

Full Form

D

diffusion coefficient

p

pressure

T

temperature

OEC

open ended capillary

INT

interferometry

DIA

diaphragm cell

x i

mole fraction

References

  1. [1961V1]
    Varoqui R., Daune, M., Freund, L.: J. Chim. Phys. Phys. -Chim. Biol. 58 (1961) 394–401.CrossRefGoogle Scholar
  2. [1981H1]
    Hawlicka, E., Reimschüssel, W.: Ber. Bunsen-Ges. Phys. Chem. 85 (1981) 210–214.CrossRefGoogle Scholar
  3. [1984E7]
    Easteal, A. J., Woolf, L. A.: J. Chem. Soc., Faraday Trans. I 80 (1984) 1287–1295.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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