Micromeritics Gemini VII 2390a Operator's Manual page 325

Gemini VII
Maximum Differential Pore Volume (cm
This value is also known as frequency of the mode
dV

------------------ - Max
= 0.5
dD
mode
Mean Equivalent Pore Width (Å):

= 2
D
MEAN
Micropore surface area (m
= 1000 2.0 W
SDA
 is calculated by a polynomial approximation over the domain 0  x  1 as follows:
(x+1) = 1+b
where
b =
1
b =
2
b =
3
b =
4
b =
5
b =
6
b =
7
b =
8
and where
+ 1
x
239-42828-01 - Dec 2012
3
/g-Å):
1/3N
3N + 1
   
--------------- -
3N + 1
W
o 3N
1/3
3 3 3
10 /A
nm
---------------------------- -
 E 
0
-----------------------------------------
3N + 1
 
 --------------- -
 
3N
2
/g):
1/3
E
0
   ----- -  
0
k
2 3
x + b x + b x + b x
1 2 3 4
-0.57719 1652
0.98820 5891
-0.89705 6937
0.91820 6857
-0.75670 4078
0.48219 9394
-0.19352 7818
0.03586 8343
3N + 1
 
--------------- -
=
 
3N
12
1/3
 E 

0
 
---------------------------- -
exp –

3 3 3
10 /A
nm
3N + 1
 
--------------- -
 
3N
4 5 6 7
+ b x + b x + b x + b
5 6 7
Appendix C
3N + 1

--------------- -

3N
+ (x) | (x) |  3 x 10
8
x
8
-7
C-31