Micromeritics Gemini VII 2390a, Operator'S Manual

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Gemini VII Preparing for Analysis
239-42828-01 - Dec 2012 3-19
• weigh the Sample Tube Set with sample
after analysis
and subtract the weight of the empty Sample
Tube Set
A
FORMS
for recording the weights and calculating the mass is included in Appendix A. Make copies
as needed.
Use a copy of the Sample Data Worksheet to record the following:
1. Record the
Sample Tube Identification
.
2. Place the sample weighing support on the balance. Tare the balance and allow it to stabilize at
zero (0).
3. Place the sample tube set on the sample weighing support and place it on the balance.
4. Record the stabilized weight on the Sample Data Worksheet as
[A] Mass for empty sample tube
set
. Remove the sample weighing support and sample tube set from the balance.
5. Place a sample container on the balance and slowly pour the sample into the container.
6. Remove the rubber stopper (or seal frit) from the sample tube.
Do not touch the sample with bare hands while performing the following steps. Doing
so could affect the accuracy of results.