2 Hardware Overview
Agilent Jet Stream (AJS ESI) source
Agilent Triple Quadrupole LC/MS System User Guide 36
Agilent Jet Stream (AJS ESI) source
The Agilent Jet Stream (AJS ESI) source uses:
• the same ionization technique as the ESI source.
• thermal gradient focusing technology, which is a process in which
super-heated nitrogen (N
2
) is used to improve ion generation and
desolvation.
• improves sensitivity 5x or more for many small-molecule compounds that
undergo electrospray ionization.
Figure 15. AJS ESI cover, ion source, and spray shield
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