Calculated - Micromeritics ASAP 2460 Operator's Manual

ASAP 2460 Operator's Manual

Calculated

The calculated free space is determined by subtracting the gas capacity of the volume occupied by the
sample from the measured free space of the empty tube.
V = V
fw wb
V = V
fc cb
where
T =
amb
T =
bath
T =
STD
V =
cb
V =
fc
V =
fw
V =
s
V =
wb
246-42800-01 - Aug 2013
T
 
STD
----------- -
– V
 
s
T
amb
T
 
STD
----------- -
– V
 
s
T
bath
approximate room temperature (298 K)
analysis bath temperature (K)
standard temperature (273.15 K)
cold free space of the empty tube
calculated cold free space
calculated warm free space
sample mass/density
warm free space of the empty tube
Appendix C
C-5