Clean solutions for troubled waters. Environmental sample * Oxy-Halides Detection in Drinking Watert Adequate separation between the chlorate and nitrate peaks could not be achieved with past anion columns The new IonPac AS9 column provides the resolution needed for reliable detection of chlorite and chlorate. Peaks ppm if 5.66 2. Clo; 0.50 3. CI" 45.45 4. N O ; O.O6 5. Br" 0.08 6 CIO", 0.14 7. NO:< 42.11 8. HrW' 0.17 9. SO42" 5.00 Column: IonPac AS9 Eluant Na.COj/NaHCOî Detection: Suppressed Conductivity
matrices can be hazard ous to your productivity If you're struggling to detect water contaminants at the required levels, you'll be glad to know Dionex has an easier way Crash the ppb barrier in complex matrices. Alkali and alkaline earth metals rob ICP spec
with chemically sup-
troscopy of its sensitivity
pressed conductivity
for measuring transition
detection, does the job
metals in sea water—
in one easy run.
unless you do a lot of Series 4500i.
sample prepping.
The right solutions.
Couple Dionex Che
Right now.
lation Ion Chromatog raphy to an ICP spec
Direct Metals Detection
trometer and get those fractional ppb levels
in Sea Water'
Detection Limit (ppb) Direct Metal
with a direct introduc
Nebulization
Concentration
Cd
10
0.1
Co
10
0.1
Cu
10
0.1
Fe
10
0.1
or acid digest sample.
Mn
5
0.1
Ni
10
0.1
Pb
50
0.9
Zn
10
0.1
of chromium in
2
ι with background correction 211 ml. concentrated
'1C/ICP under Em review
Dionex Chelation IC provides a 100-fold in ICP detection limits.
capacity ion exchange column,
water is not unlike a needle in
non-metallic postcolumn
a haystack: so elusive, it devours
chemistry, and photometric
your time.
detection, you'll get 0.1 ppb
incorporating a very high-
need Dionex. Find out how
single run.
Dionex columns and the Series
How do you measure oxy-
4500i Systems can solve your
halides in drinking water to the
environmental analysis prob-
required 0.1 ppm? Until now,
lems—wet or dry Contact your
with great difficulty and not
local Dionex representative or
much reliability: Fortunately,
(in USA) call
the new, highly selective Dionex
1-800-227-1817, ext.42 today.
improvement
Hexavalent chromiumt in waste
With our new IC method,
and chlorate in a
IonPac® AS9 column, combined
a bucket of interferences.
When you want solutions, you
Chelation 1
tion of your sea water
Find a drop
Determine chlorite
Series 4500i Ion Chromatograph
DIONEX
sensitivity and no interferences
A BETTER SOLUTION
in a 6-minute analysis.
tMelhod under ERA review Dionex Corporation. EO. Box 3603, Sunnyvale, CA 94088-3603, Canada Dionex Canada, Ltd., (416) 620-0077, England Dionex (LK) Ltd., (276) 691722, West Germany Dionex GmbH, (612) 66036, France Dionex S.A., (1) 4621-6666, Italy Dionex S.r.l., (06) 3792979, Netherlands Dionex BV. (76) 714800, 0 1989 Dionex Corporation
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