performance-proved instruments for ATOMIC ABSORPTION
Closeup
NEW, COMPACT ATOMIC ABSORPTION SPECTROPHOTOMETER FROM PERKIN-ELMER AT $2,900!
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of
concentration
readout
dial
s h o w s r r e t h o d of i n t e r c h a n g i n g a l t e r n a t e e l e m e n t s c a l e s .
Requires as little as 0.1 ml of sample
q u i r e d . A n A C system eliminates spectral
solution.
interference. The g r a t i n g
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insures high energy. Gas controls are built
O p e r a t e s w i t h complete f r e e d o m from
monochromator
spectral interferences a n d a minimum of
in. The stable, almost inaudible
matrix interferences.
burner handles higher dissolved solids than
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a n y other burner. The instrument can be
Is simple to o p e r a t e .
pre-mix
Fast a n d precise, the M o d e l 290 is designed
used w i t h an external recorder, which w i l l
for laboratories w h e r e large numbers of
also read out in concentration. The M o d e l
samples must be a n a l y z e d for a m o d e r a t e
290 handles many elements impossible of
The new M o d e l 290 is designed to make
q u a n t i t y of elements, or w h e r e many per
d e t e r m i n a t i o n by flame p h o t o m e t r y . In the
a v a i l a b l e all the a d v a n t a g e s of
atomic
sons must use the instrument. Interchange
analysis of alkalis a n d a l k a l i n e earths, the
a b s o r p t i o n a t the lowest possible cost. The
b e t w e e n one element a n d another is sim
M o d e l 290 outperforms f l a m e p h o t o m e t r y
M o d e l 290:
p l i f i e d by P-E's new multi-element
in precision, accuracy a n d specificity.
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cathode
Determines up to 30 metallic elements
hollow
sources, now a v a i l a b l e in C a - M g
w i t h a detection limit of less than 1 p p m .
a n d Cr-Cu-Co-Fe-Ni-Mn combinations.
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Reads out directly
concentration.
Compact
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Provides q u a n t i t a t i v e
precision
t a i n e d , the M o d e l 290 reads out concentra
c o m p l e t e i n f o r m a t i o n , including specifics
t h a n 1 % of the a m o u n t present.
tion directly on a five-inch meter, w h i c h
on the M o d e l 290 a p p l i e d to your needs,
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incorporates
in
better
Makes successive determinations in less
t h a n 15 seconds per sample. Circle No. 79 on Readers' Service Card
The M o d e l 290 is b a c k e d up by free cus
(25" χ 1 5" χ 12") a n d s e l f - c o n
interchangeable
scales.
No
conversion tables or calculations are re
tomer t r a i n i n g courses at Perkin-Elmer. For
w r i t e the Perkin-Elmer
Corporation,702
M a i n A v e n u e , N o r w a l k , Connecticut. (Prices subject to change w i t h o u t notice.)
PERKIN-ELMER
