Kelvin Equation With Harkins And Jura Thickness Curve - Micromeritics ASAP 2460 Operator's Manual

ASAP 2460 Operator's Manual

Kelvin Equation with Harkins and Jura Thickness Curve

N2 - Harkins and Jura Thickness Curve
Geometry
Substrate
Category:
Method:
The kernel function is calculated using the Harkins and Jura equation with standard parameters:
The nitrogen properties used in the Kelvin equation are:
Surface tension =
Molar density =
N2 - Harkins and Jura Thickness Curve
Geometry
Substrate
Category:
Method:
The calculation is the same as above except that cylindrical geometry is assumed.
Reference:
246-42800-01 - Aug 2013
Slit
Average
Porosity
Nitrogen at 77 K
13.99
 
-------------------------------------------- -
t =
 
 
0.034 – log P/Po
-1
8.88 dynes cm
-3
0.02887 g cm
Cylinder
Average
Porosity
Nitrogen at 77 K
W. D. Harkins and G. Jura, J.A.C.S. 66, 1366 (1944).
J. H. DeBoer et al., J. Colloid and Interface Sci. 21, 405 (1966).
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Appendix F
F-15