Alpha-S Method Report - Micromeritics TRISTAR II PLUS Operator's Manual

8 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

Selections
Open [button]
8 - 4
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.
TriStar II Plus Operator Manual
303-42800-01 (Rev M ) — Sep 2023