Changing Modes - Agilent Technologies 5975C TAD VL MSD Troubleshooting And Maintenance Manual

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Introduction

Changing modes

Switching back and forth between CI and EI sources takes less than an hour,
although a 1- to 2-hour wait is required to purge the reagent gas lines and bake
out water and other contaminants. Switching from PCI to NCI requires about
2 hours for the ion source to cool.
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