Micromeritics ASAP 2020 Confirm Operator's Manual page 386

ASAP 2020 Confirm
Maximum Differential Pore Volume (cm
This value is also known as frequency of the mode
dV
--------------- - Max
dw
Mean Equivalent Pore Width (nm):
w
mean
Micropore surface area (m
SDA
 is calculated by a polynomial approximation
(x+1) = 1+b
where
b
1
b
2
b
3
b
4
b
5
b
6
b
7
b
8
and where
x +
C-34
 
= 0.5 3N +
mode
1/3
k
-----
E
0

------------------------- -
= 2
3N + 1
 

--------------- -
 
3N
2 /g):
  
= 1000 2.0 W
0
2 3
x + b x + b x + b
1 2 3
= -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
 
--------------- -
1 =
 
3N
3 /g-nm):
12
1/3N
3N + 1
  
--------------- -
1 W
o
3N
1/3
E
3N + 1
 
0  
----- --------------- -
 
k 3N
over the domain 0  x  1 as follows:
11
4 5 6 7
x + b x + b x + b x
4 5 6 7
Appendix C
1/3
E
3N +

0
 
----- --------------- -
exp –

k 3N
+ (x) | (x) |  3 x 10
8
+ b x
8
202-42811-01 - Mar 2011
1


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