DCA Vantage Operator’s Guide 65
Operating the System
Filling the Capillary Tube with Urine from a Container with a Large Sample
Volume
If the urine sample was refrigerated, allow the sample to come to room
temperature before running any tests. Mix the urine specimen thoroughly
before use.
1. Immerse the tip of the capillary tube in the thoroughly mixed urine sample.
2. Allow enough time for the urine sample to flow into the capillary tube and
come in contact with the starch plug, approximately 5 seconds.
Wetting the starch plug seals the capillary tube and keeps the urine within
the tube.
3. Remove the capillary tube from the urine sample.
If the urine flows back down the tube, reimmerse the capillary tube in the
urine sample again, and allow enough time to ensure that the starch plug
becomes saturated.
4. Using a lint-free tissue, carefully wipe the outside the capillary tube.
Figure 18 Filling the Capillary with Urine
1
Starch Plug
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