Micromeritics TRISTAR II PLUS - Page 184

8 Selected Report Options
Dubinin Transformed Isotherm Plot Options
Highlight Transformed Isotherm in the Selected Reports list box in the Dubinin Report Options
window, then click Edit.
The transformed Dubinin isotherm is the logarithm of quantity adsorbed as a function of the log of
relative pressure raised to a power. Isotherms for which the Dubinin method is applicable produce
straight lines when transformed in this way.
Selections
Description
Autoscale x-axis /
Autoscale y-axis
[checkbox]
Select an option to have the x- and/or y-axes scaled automatically.
Both axes begin at 0; the system uses the highest values collected
during analysis as the ending points for axis ranges.
Deselect to enter beginning and ending values manually.
Autoscale x-axis. Shows the quantity of gas adsorbed at standard
temperature and pressure.
Autoscale y-axis. Shows the log of relative pressure.
Overlay samples
[checkbox]
Use to overlay sample files on the plot.
For fields and buttons not listed in this table, see Common Fields and
Buttons on page2 - 3.
Dubinin Transformed Isotherm Plot Report
8 - 26
TriStar II Plus Operator Manual
303-42800-01 (Rev M ) — Sep 2023