Micromeritics TriStar II 3020 - Page 324

dDv/dD
I
VP
I
/
Dp
I
Dp
I 1+
----------------


log=log
dA/dD
I
SA
I
Dp
I
Dp
I 1+
–
--------------------------------
=
dA/dD
I
log SA
I
/
Dp
I
Dp
I 1+
----------------


log=
DF
avg
J
Dp
F
J
Dp
F
J 1+
+
2
------------------------------------
=
VpF
CUM
I
INTERP DpF
I 1+
=
VpF
I
VpF
CUM
I
VpF
CUM
I 1–
–=
SAF
CUM
I
INTERP DpF
I 1+
=
Appendix C TriStar II 3020
C-16 302-42828-01 - Dec 2012
(6.) dV/dlog(D) pore volume (dV/dlog(D)
I
, cm
3
g):
(7.) dA/dD pore area (dA/dD
I
, m
2
/g-A):
(8.) dA/dlog(D) pore area [dA/dlog(D)
I
, m
2
/g]:
For fixed pore size tables (if selected), the following ca
lculations are performed:
(1.) Average Fixed Pore Size (DF
avgJ
, A):
calculated for all intervals in th
e fixed pore size table.
For the intervals with between the Minimum BJH diameter and the Maximum BJH
diameter.
(2.) Cumulative Pore volume (VpF
CUMI
, cm
3
/g):
where INTERP(x) is the value interpolated
from the function X = Dp
J+1
and Y =
VP
CUMJ
, using an AKIMA semi-spline interpolation.
(3.) Incremental Pore Volume (VpF
I
, cm
3
/g):
where VpF
CUM0
= 0.
(4.) Cumulative Surface Area (SAF
CUMI
, m
2
/g):
where INTERP(x) is the value interpolated
from the function X = Dp
J+1
and Y =