Micromeritics GEMINI VII Operator's Manual page 232

B DFT Models
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 =
Geometry:
Substrate:
Category:
Method:
The calculation is the same as above except that cylindrical geometry is assumed.
References:
Kelvin Equation with Broekhoff-de Boer Thickness Curve
N2 - Broekhoff-de Boer Model
Geometry:
Substrate:
Category:
Method:
The kernel function is calculated using the Broekhoff-de Boer equation with standard parameters:
The nitrogen properties used in the Kelvin equation are:
Surface tension =
Molar density =
N2 - Broekhoff-de Boer Model
B - 16
Porosity
Nitrogen 77 K
8.88 dynes cm
0.02887 g cm
Cylinder
Average
Porosity
Nitrogen 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).
Cylinder
Average
Porosity
Nitrogen 77 K
8.88 dynes cm
-3
0.02887g cm
-1
-3
-1
239-42828-01 (Rev H ) — May 2021
Gemini VII Operator Manual