88 DCA Vantage Operator’s Guide
Quality Control
NOTE: Touch only the tip of the capillary tube to the control material. If an air
bubble is present in the filled tube, discard the capillary holder and fill a new
one.
7. Squeeze any excess control material out of the dropper into the control
bottle.
8. Close the control bottle.
9. Wipe any control solution off the sides of the glass capillary tube using a
lint-free tissue.
10. Inspect the capillary holder for the presence of any bubbles.
NOTE: If bubbles are obvious, discard the capillary and repeat the collecting
procedure.
CAUTION
Prevent the control material from coming in contact with the plastic
part of the capillary holder. If control material comes in contact with
the capillary holder, discard the capillary holder.
CAUTION
Do not touch the tissue to the open end of the tube. Contact with the
open end could result in a loss of sample.
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