Control Chart Variables; Summary Report - Micromeritics ASAP 2460 Operator's Manual

Appendix C

Control Chart Variables

 y
---------
Mean =
N
StdDev =
StdDev
-------------------
CoefVar =
PlusNSig =
MinusNSig =

Summary Report

The following calculations and the results of previous calculations (as noted) are used to generate the
summary report:
a.) Single-point Surface Area (m

Q 1 P
------------------------------------------------------------------------------- -
S =
1PT
where
P =
Q =
b.) Multi-point Surface Area
See BET Surface Area Calculations
c.) Langmuir Surface Area
See Langmuir Surface Area Calculations
d.) t-Plot Micropore Surface Area
See t-Plot calculations
C-46
i
2
 y Mean  
–
----------------------------------- -
N 1 –
Mean

Mean + n StdDev

Mean n StdDev –
2
/g)
   CSA 6.023  
–
 18
10
3
 ---------------------- -
22414cm STP

m
pressure closest to 0.3 of the relative pressure points designated for surface area
calculations.
quantity adsorbed corresponding to P
23
 
10
2 
nm

2

ASAP 2460 Operator's Manual
246-42800-01 - Aug 2013