Thickness Curve Calculations; Kruk-Jaroniec-Sayari; Halsey; Harkins And Jura - Micromeritics ASAP 2460 Operator's Manual

Appendix C

Thickness Curve Calculations

For each point designated, the following parameters are used in thickness curve calculations:
C =
1
C =
2
C =
3
P =
rel,i
t =
i

Kruk-Jaroniec-Sayari


------------------------------------- -
t =

C –
2

Halsey

---------------------- -
t = C
i 1
ln

Harkins and Jura

------------------------------------- -
t =
i
C –
2

Broekoff-de Boer

 
log P
rel i 

Carbon Black STSA


t = C P
rel i 
i 1
C-44
parameter #1
parameter #2
parameter #3
relative pressure for the i
th
thickness for i point
C
C
3

1

 
log P
rel i 
C
C
3
2
 
P
rel i 
C
C
3
1
 
log P
rel i 
C
1
 
--------
= + C exp c t
2 3 i
2
i 
t
2
  
+ C P + C
rel i 
2
th
point (mmHg)
5
(Halsey )
(Harkins and Jura
3
ASAP 2460 Operator's Manual
6
)
246-42800-01 - Aug 2013