Micromeritics ASAP 2460, Operator'S Manual

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ASAP 2460 Operator’s Manual Appendix C
246-42800-01 - Aug 2013 C-33
The following values were used to calculate the values in Table C-1.
D
A
values are from van der Waal’s constant.

N
A
values are from liquid densities.


and

values are derived from data found in Ross and Olivier
12
.
The physical parameters referenced in Saito/Foley are:
Carbon-Graphite Zeolite
D
S
= 3.40 D
S
= 3.04
N
S
= 3.845 × 10
15
N
S
= 3.75 × 10
15

S
= 1.05 × 10
-29
(Ross/Olivier)

S
= 1.94 × 10
-29
13.5 × 10
-29
(Horvath/Kawazoe, implicit)

S
= 0.85 × 10
-24

S
= 1.02 × 10
-24
Nitrogen Argon
D
A
= 3.00 D
A
= 2.95

A
= 6.71 × 10
14

A
= 7.608 × 10
14

A
= 3.6 × 10
-29

A
= 3.22 × 10
-29

A
= 1.76 × 10
-24 
A
= 1.63 × 10
-24
Carbon Dioxide
D
A
= 3.23
N
A
= 4.567 × 10
14
(25 ºC)
5.45 × 10
14
(0 ºC)
7.697 × 10
14
(-78 ºC)

A
= 5.0 × 10
-29

A
= 2.7 × 10
-24
Aluminophosphate Aluminosilicate
D
S
= 2.60 D
S
= 2.76
N
S
= 1.48 × 10
15
N
s
= 1.31 × 10
15

S
= 1.3 × 10
-29

S
= 1.3 × 10
-29

S
= 2.5 × 10
-24 
S
= 2.5 × 10
-24