Report Options Files TriStar II 3020
5-32 302-42828-01 - Dec 2012
BET/Langmuir Surface Area Report Options
The Langmuir and BET Surface Area windows are identical unless otherwise specified. In the
Selected Reports list box, highlight BET (or Langmuir), then click Edit.
•The BET calculation obtains the sample surface area value by determining the monolayer volume
of adsorbed gas from the isotherm data.
•The Langmuir calculation determines the surface area of a sample by relating the surface area to
the volume of gas adsorbed as a monolayer.
Field or Button Description
BET (or Langmuir) fit
pressure range text
boxes
Enter values in the From / To fields to indicate the fit pressure range.
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