Micromeritics ASAP 2020 Confirm Operator's Manual page 371

Appendix C
3) Incremental Surface Area (SA
4) Cumulative Surface Area (SA
5) dV/dD pore volume (dV/dD
6) dV/dlog(D) pore volume (dV/dlog(D)
7) dA/dD pore area (dA/dD
8) dA/dlog(D) pore area [dA/dlog(D)
For fixed pore size tables (if selected), the following calculations are performed:
1) Average Fixed Pore Size (DF
202-42811-01 - Mar 2011
2 –
 LP   10 
SA = m/cm
I I

SA = SA for J 1
CUM J
10
VP
I
----------------------------- -
dV/dD =
I
Dp – Dp
I I +
 
dDv/d log D = VP / log
I I
SA
I
----------------------------- -
dA/dD =
I
Dp – Dp
I I +
 
dA/d log D = SA / log
I I
Dp + Dp
F F
---------------------------------
DF =
J J
avg
2
J
calculated for all intervals in the fixed pore size table.
For the intervals with between the Minimum BJH diameter and the Maximum
BJH diameter.
, m 2 /g):
I
– 10
 D   10  
m/A
avg
I
2
, m /g):
CUM(I)

, cm 3 /g-A):
I
1
, cm 3 g):
I
Dp
 
I
-------------- -
 
Dp
I + 1
, m 2 /g-A):
I
1
, m 2 /g]:
I
Dp
 
I
-------------- -
 
Dp
I + 1
, A):
avgJ
+ 1
ASAP 2020 Confirm
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