10
Thermo Scientific Orion AQUAfast AQ3010 Turbidity Meter User Guide
1 . Pour the old standard out of the vial .
2 . Wash the vial with laboratory glassware detergent and water . Rinse
the vial with turbidity-free water to remove all laboratory detergent
from the vial .
3 . Rinse the vial with about 5 mL of the standard from the plastic bottle
with the matching NTU value .
4 . Cap and swirl the vial so the inside of the vial is fully rinsed with the
fresh standard .
5 . Pour the standard out of the vial .
6 . Pour the fresh standard into the vial up to the mark on the vial and
cap the vial .
7 . Perform the procedure in the
Calibration Check
section
with the vial
containing the fresh standard .
If the fresh standard does not read with the 10% range of the nominal
value, or to the tolerance of your method, follow the steps in the
Calibration Procedure
section .
Refilling the
Calibration
Standard
Vials with
Fresh
Standard