PHOTOVAC INTRODUCES PORTABLE G A S C H R O M A T O G R A P H Y A S Y O U NEVER S A W IT BEFORE! •
ENVIRONMENTAL
•
OCCUPATIONAL HEALTH
•
GENERAL LABORATORY
•
MEDICAL
A representative few of thousands of detectable compounds are listed below. Vinyl Chloride Benzene Toluene Xylene Arsine Phosphine Trichloroethylene Methyl Chlorides Chloroform FluoroChloro-methanes Benzene Chlorides Hydrogen Sulfide Carbon Disulfide Mercaptans Propane Butane Isoprene Ethylene Ethyl Acrylate Nitric Oxide Ammonia Hydrazine
The P H O T O V A C P O R T A B L E GC uses our o w n Ultrasensitive P H O T O I O N I Z A T I O N D E T E C T O R w i t h A I R C A R R I E R G A S t o analyze Directly Injected m u i t i c o m p o n e n t air samples f o r c o n t a m i n a n t levels f r o m 0.1 PartsPer B i l l i o n t o 100 Parts-Per-Million, often in seconds. * No need for tedious Charcoal Tube collections (and all those problems)
* No hydrogen cylinders to about — requires only pressed air
*
* Internal for field
Time-Weighted Averaging easily accomplished by sampling from slow-fill air bag
rechargeable operation
worry com-
batteries
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* Superb stability — operational within five minutes of cold start
* Columns easily changed — lengths up to 20 ft. may be accommodated
* Simplified controls rator training time
* Ideal for headspace analysis water and biological samples
reduce ope-
See us at the Pittsburgh Conference, Booths 10062—10065
Sounds too good to be true? OK, we don't blame you for being skeptical, just let us prove our instrument to you.
of
PHOTOVAC incorporated Unit 2, 134 Doncaster Ave. Thornhill, Ontario, Canada L3T1L3 416-881-8225 Telex No. 06-964634 CIRCLE 239 ON READER SERVICE CARD
ANALYTICAL CHEMISTRY, VOL. 54, NO. 2, FEBRUARY 1982 · 283 A
