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Chapter 3
38
2.
After the unit is off, turn the power key switch to
OFF
.
3.3
Preparing a Sample for Analysis
BTX III analyzer is designed to operate with coarsely ground samples. The samples
must be dry and be able to pass through a 150 µm sieve. Also the sample size should
be large enough to convect within the sample cell. Very small particles generally do
not perform well within a standard BTX III sample cell. The particles tend to stick to
one another and not convect as they should. If you encounter this condition, contact
Olympus for details on either increasing the sample cell volume, or to purchase an
alternate sample cell.
To prepare a sample for analysis
1.
Crush the sample in a crusher (see Figure 3-4 on page 38).
The result is a sample with a variety of particle sizes.
Figure 3-4 Crushing a sample
2.
Refine the sample further using a sample sieve (see Figure 3-5 on page 39).
Содержание BIX III
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