Micromeritics ASAP 2460, Operator'S Manual

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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
0 err

W
0
10 YI
err
1.0 –
 
=
E
2.303 RT
 

2.303 S
  
1/ N
--------------------------------------
=
D
mode
2
3 N
3 N 1 +
----------------
1/ N
10
3
nm
3
Å
3


E
o

--------------------------------

 
 
 
1/3
=
dV
dD
mode
------------------
Max 0.5 3 N 1 +
 
W
o
3 N 1 +
3 N
----------------
1/3N

E

0
10
3
nm
3
 
Å
3
  
---------------------------------------
1/3
3 N 1 +
3 N
----------------
–
 
 
exp =