Micromeritics Gemini VII 2390a Operator's Manual page 133

Gemini VII
Field or Button
Options buttons
(continued)

Tabular Options
group box

Plot Options
group box
Quantity Adsorbed
group box
Weight group box
Cancel button
OK button
239-42828-01 - Dec 2012
• Autoscale X-axis - linear X-axes begin at zero. Logarithmic X-axes
begin at an appropriate value. The X-axis field shows the relative or
absolute pressure.
• Autoscale Y-axis - Y-axes begin at zero. The Y-axis field shows the
quantity of gas adsorbed.
Select the options to include on the report.
• Weight % - enter the weight percentage when plotting pressure
composition.
• Elapsed time - time elapsed during the analysis.
• Time between points - time elapsed between points during the
analysis.
Select the type of isotherm to plot (adsorption or desorption).

Select how to report the quantity adsorbed.
3
• Per gram (cm
• Per BET Surface Area (cm
• Per other Surface Area (cm
Enabled when the Pressure Composition plot checkbox is selected on the
Isotherm Report Options window.
• Adsorbate Molecular Weight - this plot is useful for plotting pressure
as a function of Weight % adsorbed (i.e. H
Refer to
Common Fields and Buttons - File Menu
Description (continued)
/g)
3 2
/m )
3 2
/m )
Report Options Files
adsorbed on carbon).
2
Options, page 5-1.
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