3-1
3 ESI and ESCi Modes of
Operation
This chapter describes how to prepare the TQ Detector for the following
modes of operation:
• ESI (electrospray ionization)
• ESCi (combined electrospay and atmospheric pressure chemical
ionization)
If your system uses APCI mode, refer to Chapter 6 of the Waters TQ
Detector Operator’s Guide.
Contents:
Topic Page
Introduction 3-2
Installing the ESI probe 3-2
Installing the corona pin 3-5
Optimizing the ESI probe for ESCi operation 3-7
Removing the corona pin 3-9
Removing the ESI probe 3-11