Micromeritics ASAP 2460 - Page 364

Appendix C ASAP 2460 Operator’s Manual
C-40 246-42800-01 - Aug 2013
Limiting Micropore Volume (cm
3
/g):
where
V
mol
= liquid molar volume from the fluid property information
Error of Limiting Micropore Volume (cm
3
/g):
Characteristic Energy (KJ/mol):
Modal Equivalent Pore Diameter (Å):
where
 = affinity coefficient of the analysis gas relative to the Po gas from the Dubinin
Adsorptive Options window
Maximum Differential Pore Volume (cm
3
/g-Å):
This value is also known as frequency of the mode
12
.
V
0
Q
o
V
mol
22414cm
3
STP
------------------------------------
=
V
0err
W
0
10YI
err
1.0–=
E
2.303 RT
 2.303 S
1/N
--------------------------------------
=
D
mode
2
3N
3N 1+
----------------
1/N
10
3
nm
3
Å
3

 E
o

--------------------------------




1/3
=
dV
dD
mode
------------------
Max 0.5 3N 1+W
o
3N 1+
3N
----------------
1/3N
 E
0
10
3
nm
3
Å
3

---------------------------------------
1/3
3N 1+
3N
----------------
–


exp=