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Diffusivities of some organic amines in alcohols

  • G. Swaminathan
  • G. S. Laddha
Article
  • 16 Downloads

Abstract

Experimental data on diffusivities involving organic amines diffusing in alcohols have been reported using the diaphragm cell technique. Experimental values have been compared with the predicted values by the generalized correlation proposed by Laddha and Smith.

Keywords

Generalize Correlation O353 Cell Organic Amine Glass Diaphragm Liquid Diffusivity 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Nomenclature

Ae

Effective cross-sectional area of all pores in the diaphragm

C1A

Concentration of component 1 in compartmentA from which component 1 diffuses,g mole/litre

C1B

Concentration of component 1 in compartmentB to which component 1 diffuses,g mole/litre

ΔC1

Molar concentration differences of component 1

D

Diffusion coefficient, calculated from the diaphragm cell equation, cm2/sec

DL

Estimated value of diffusion coefficient by Laddha-Smith correlation, Equation (2)

le

Effective pore length

t

Time, sec.

T

Absolute temperature, degK

V1,V2

Molecular volumes of components 1 and 2

VA,VB

Volume of compartmentsA andB of the diaphragm cell

Greek letters

β

Cell factor

η

viscosity, poise

Superscripts

°

Initial

F

final

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References

  1. 1.
    Lewis, J. B.,J. Appl. Chem. 5 228 (1955).CrossRefGoogle Scholar
  2. 2.
    Stokes, R. H., Dunlop, P. J. and Hall, J. R.,Trans. Faraday Soc. 49 886 (1953).CrossRefGoogle Scholar
  3. 3.
    Gordon, A. R.,J. Chem. Phys. 5 522 (1939).CrossRefGoogle Scholar
  4. 4.
    Toor, H. L.,J. Phys. Chem. 64 1580 (1960).CrossRefGoogle Scholar
  5. 5.
    Barnes, C.Physics 5 4 (1934).CrossRefGoogle Scholar
  6. 6.
    Laddha, G. S. and Smith, J. M.,Indian Chem. Engr. 2 Trans. 109 (1969).Google Scholar

Copyright information

© Indian Academy of Sciences 1976

Authors and Affiliations

  • G. Swaminathan
    • 1
  • G. S. Laddha
    • 1
  1. 1.A.C. College of TechnologyUniversity of MadrasMadras

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