Alpha-S Method Report - Micromeritics GEMINI VII Operator's Manual

7 Selected Report Options
A -S M
LPHA ETHOD
The Alpha-S plot converts the standard adsorption isotherm into a dimensionless isotherm using
the quantity adsorbed at a relative pressure of 0.4.
One predefined curve is located in the Reference file directory. Use the table buttons to enter
relative pressure and the Alpha-S values.

Alpha-S Method Report

Field or Button
Open [button]
7 - 2
R
EPORT
Description
Use to import values from an existing thickness curve (.ALS).
The table to be imported must be saved as ASCII text with a .ALS file
extension. It must have a two-column format with the relative
pressures in the first column and the alpha-s values in the second
column. Columns must be separated by a space or a tab.
Gemini VII Operator Manual
239-42828-01 (Rev H ) — May 2021