Bet/Langmuir Surface Area Report Options - Micromeritics Gemini VII 2390a Operator's Manual

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Report Options Files

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

BET (or Langmuir) fit

pressure range text

Enter values in the From / To fields to indicate the fit pressure range.

239-42828-01 - Dec 2012

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