Micromeritics ASAP 2460 - Page 345

ASAP 2460 Operator’s Manual Appendix C
246-42800-01 - Aug 2013 C-21
(3.) Incremental Surface Area (SA
i
, m
2
/g):
(4.) Cumulative Surface Area (SA
cum,i
, m
2
/g):
(5.) dV/dD pore volume (dV/dD
i
, cm
3
/g-A):
(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]:
SA
i
 LP
i

10
2–
m
cm
---------------


D
avg i

10
10–
m
Å
------------------


=
SA
cum 10
SA
j
for J 1

=
dV
dD
i
---------
VP
i
Dp
i
Dp
i1+
–
-------------------------------
=
dDv
dD
i
log
-----------------
VP
i
Dp
i
Dp
i1+
----------------


log
------------------------------
=
dA
dD
i
---------
SA
i
Dp
i
Dp
i1+
–
-------------------------------
=
dA
dD
i
log
-----------------
SA
i
Dp
i
Dp
i1+
----------------


log
------------------------------
=