Micromeritics Gemini VII 2390a, Operator'S Manual

Page: 255 / 426

Gemini VII Performing a Reference Analysis
239-42828-01 - Dec 2012 9-29
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 Setting
s 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.
Cause Action
The sample was not degassed properly. Degas the sample again.
The gas lines are not clean. Perform the procedure for cleaning and verifying
gas lines, then try again.