Analyzing Reference Material - Micromeritics Gemini VII 2390a Operator's Manual

Gemini VII

Analyzing Reference Material

1. Select Unit [n] > Start Analysis.
2. On the Analysis screen, click Browse to select the test file created in the previous steps. Click
Open.
3. Click Edit to make and save modifications or replace all parameters in the open file using the
Replace All button to select another file. Click Save and Close when done.
4. Click Report after analysis to automatically generate reports to the specified destination when
the analysis is complete. On the Report Settings window, select the report destination. Click OK.
5. Click the Start button. Graphs are displayed as the analyses are performed.
When the analyses are complete, compare the BET Surface Area shown on the Summary Report
with the BET Surface Area shown on the reference material bottle. The values should match
within the tolerance level shown on the bottle.
If the BET Surface Area values do not match, refer to the following causes and actions.
The sample was not degassed properly.
The gas lines are not clean.
239-42828-01 - Dec 2012
Cause
Performing a Reference Analysis
Action
Degas the sample again.
Perform the procedure for cleaning and verifying
gas lines, then try again.
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