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the exit chamber. The exit chamber is made from a machinable ceramic, Macor, and screws into the
water-seal plate. A sparker wire, that is used to initiate the discharge, contained inside an insulating
PTFE tube, also passes into the exit chamber.
Figure 6.1
The Re-entrant Cavity of the Atomic Emission Spectrometer
Reprinted with permission from D. Quimby and J. J. Sulllivan, Anal.
Chem., 62(10)(1990)1027, Copyright 1990 American Chemical Society
The window of the exit chamber is made from UV transparent fused silica and is about 2.2 cm in
diameter, and about 1.6 mm thick. A heated assembly on the GC side of the cavity provides connections
to column and
