8
Maintenance
Maintaining the Pedestals
Thermo Scientific
NanoDrop Eight User Guide 129
Maintaining the Pedestals
The pedestals require periodic maintenance to maintain measurement integrity. Time
lines and procedures for cleaning and reconditioning the pedestals are provided
below.
Cleaning the Pedestals
To avoid carryover and cross contamination, clean the pedestals before the first
blank or sample measurement and at the end of each measurement. Additional
cleaning (see below) or
may be required for periodic maintenance.
Note
• Do not use hydrofluoric acid (HF) on the pedestals. Fluoride ions will
permanently damage the quartz fiber optic cables.
• To prevent damage from spills, keep containers of liquids away from the
instrument.
• Do not use a squirt or spray bottle on or near the instrument as liquids may
flow into the instrument and may cause permanent damage.
• Do not attempt to remove the diaphragm around the lower pedestals as it is
permanently affixed to the instrument.
• Do not allow HCl, alcohol, bleach, acetone or any other solvent to remain on
the diaphragm for more than one minute or it may loosen the seals. If the
diaphragm becomes loose,
•
Note
Solutions containing detergent or isopropyl alcohol may uncondition the
pedestals. If these are required for sample analyses, follow immediately with 3–
5 µL DI H
2
O.
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