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Figure 10–6. Source assembly
Thermo Fisher Scientific
9. Metal electrode surfaces can be cleaned with a fine abrasive such
as diamond paste. Aim to remove discolourations and achieve a
"shiny finish." Ceramics can be cleaned with suitable detergent
or acid.
10. Final clean as follows. If possible, use of an ultrasonic bath is
recommended.
a. Wash off all traces of abrasive pastes according to type. Use
deionised water for water soluble pastes or recommended
solvents as per manufacturer's instructions.
b. Final rinse with clean isopropyl alcohol or a similar solvent.
c. Dry thoroughly, preferably in an oven at 100°C for one hour.
11. Reassemble the source assembly and refit to the analyser flange
in reverse order.
12. Once reassembled, ensure that all plates are parallel. Check that
the two focus half plates are aligned with each other.
Prima PRO & Sentinel PRO Mass Spectrometers User Guide
Maintenance
Dismantling and Cleaning Procedures
10-7
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