3-6 ESI and ESCi Modes of Operation
9. Using tubing greater than or equal to 0.004-inch (ID), connect the
diverter valve to the ESI probe.
Tip: Two tubes of different ID are supplied with the instrument.
Requirement: If you are replacing the tubing supplied with the
instrument, you must minimize the length of the tube connecting the
diverter valve to the ESI probe. Doing so minimizes delays and
dispersion.
10. Close the instrument’s access door.
Installing the corona pin
Required materials:
• Chemical-resistant, powder-free gloves
• Needle-nose pliers
To install the corona pin
1. In the console, click Standby , and confirm that the Operate
indicator is not illuminated.
2. Open the instrument’s access door.
Warning: The HPLC system connections, ESI probe, and source
can be contaminated with biohazardous and/or toxic materials.
Always wear chemical-resistant, powder-free gloves while
performing this procedure.
Warning: To avoid electric shock, ensure that the instrument is in
Standby mode when commencing this procedure.
Warning: The source can be hot. To avoid burn injuries, take
great care while working with the instrument’s access door open.
Warning: The probe tip is sharp. To avoid puncture wounds, take
great care while working with the source enclosure door open if
an ESI probe is fitted.
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