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: Perkin-Elmer, PE AAnalyst 200 Atomic Absorption Spectrometer |
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The AAnalyst 200 features the first true
double-beam Echelle optical system used in
an AA. True doublebeam systems compensate
for changes that may occur in lamp
intensity during an analysis. The system
ensures a more stable baseline and improved
performance – precision and detection
limits – plus simpler operation. Compared
to pseudo double-beam systems offered in
other systems, which move an optic or the
burner head, the AAnalyst 200’s true double-
beam system compensates for any drift
multiple times per second, rather than only
once between each sample. At the heart of
the high performance optical system is a
unique solid-state detector designed to
provide high quantum efficiency in the UV
region. When combined with the high light
throughput of the Echelle optical system,
even “difficult” elements such as As and Ba
can be measured with excellent signal-to-
noise ratios. Plus, using a solid-state
detector means that no expensive PMT tubes
will ever have to be replaced, once again
lowering the cost of ownership. More
information available upon request.
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