Appendix C ASAP 2460 Operator’s Manual
C-22 246-42800-01 - Aug 2013
For fixed pore size tables (if selected), the following calculations are performed:
(1.) Average Fixed Pore Size (DF
avg,j
, A):
calculated for all intervals in the fixed pore size table.
For the intervals with between the Minimum BJH diameter and the Maximum BJH
diameter.
(2.) Cumulative Pore volume (VpF
cum,i
, cm
3
/g):
where INTERP(x) is the value interpolated from the function X = Dp
j+i
and
Y = VP
cum,i
, using an AKIMA semi-spline interpolation.
(3.) Incremental Pore Volume (VpF
i
, cm
3
/g):
where VpF
cum,0
= 0.
(4.) Cumulative Surface Area (SAF
cum,i
, m
2
/g):
where INTERP(x) is the value interpolated from the function X = Dp
j+i
and
Y = SA
cum,j
.
(5.) Incremental Surface Area (SAF
i
, m
2
/g):
where SAF
cum,0
= 0.
DF
avg j
Dp
F
j
Dp
F
j1+
+
2
------------------------------------
=
VpF
cum i
INTERP DpF
i1+
=
SAF
cum i
INTERP DpF
i1+
=
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