Waters APGC - APGC ion chamber

APGC components 1-11
APGC ion chamber
For APGC operation, the APGC ion chamber mounts on the ion block, in place
of the cone gas nozzle. The APGC ion chamber positions the corona pin
relative to the mass spectrometer’s sample cone. Although the layout differs,
the corona pin is functionally identical to the corona pin used in LC operation.
Requirements:
• During APGC operation with the Xevo TQD or SQ Detector 2 mass
spectrometer, you must use the reduced-aperture, 0.36-mm, sample cone
supplied with the APGC, to avoid problems associated with unstable
signal intensity.
• During LC operation with the Xevo TQD or SQ Detector 2 mass
spectrometer, you must use the original, 0.50-mm, sample cone supplied
with the instrument, to avoid problems associated with low sensitivity.
See also: The relevant instrument’s operator’s overview and maintenance
guide.