6 Perform an Analysis
5. Use rubber gloves to ensure no oils or residue are transferred to the clean tubes and filler
rods, then remove the sample tubes and filler rods from the unit.
6. Clean the interior of the sample tubes with the brush supplied with the analyzer.
7. Rinse the sample tubes and filler rods thoroughly with hot water. Rinse again with isopropyl
alcohol or acetone. If isopropyl alcohol or acetone is not available, deionized water may be
used.
8. Stand the sample tubes on the sample tube rack and place the filler rods in a basket or in
the rack. Bake in a vacuum oven for two hours at 110°C.
Samples tubes can also be cleaned with high-purity acetone or isopropyl alcohol and
dried for about 10 minutes under heat. If using this method, continue with step 10.
9. Remove the sample tubes and filler rods from the oven and allow to cool.
Do not insert the filler rods at this time. Filler rods are inserted before the sample tube
is installed on the analysis port.
6 - 4
TriStar II Plus Operator Manual
303-42800-01 (Rev M ) — Sep 2023
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