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Performance Verification
Thermo Scientific
To interpret intensity check results
If one of these indicators:
• UV
• Visible
• Bias
has an adjacent yellow triangle instead of the green check marks shown above,
clean the pedestals with deionized water
If a yellow triangle appears next to the Bias indicator, make sure the room is within
the temperature specifications for the instrument.
If the Intensity Check fails again,
Run Performance Verification every 6 months to confirm pathlength accuracy is
within specifications.
Supplies needed
• lint-free laboratory wipes
• deionized water (DI H
• calibrated precision pipettor (0–2 µL)
•
PV-1 performance verification solution
from us or a local distributor)
• laboratory gloves
Note The PV-1 solution comes in a single-use ampoule. Before you open the
ampoule, shake it vigorously and then allow the liquid to collect in the bottom
portion of the ampoule. After the ampoule is opened, its contents must be used
within one hour. Pipette directly from the ampoule; do not transfer the solution.
and then repeat the Intensity Check.
contact
us.
O)
2
(liquid photometric standard available only
10
Maintenance
Instrument Diagnostics
NanoDrop One User Guide
263
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