Pittsburgh Conference PHILIPS ELECTRONIC INSTRUMENTS, INC. 750 S. Fulton Ave. Mt. Vernon, Ν. Υ. 10550. 914-6644500 Exhibiting: SP1800 uv spectrophotometer; SP1000 ir spectrophotometer; S0 2 monitor; Series 104/106 gas chromatograph; SP90, Series 2 atomic absorption spectrophotom eter; PW 1410 universal, vacuum X-ray spec trometer.
PHOTOVOLT CORP. 1115 Broadway New York, Ν. Υ. 10010.
Feeling the budget squeeze?
212-989-2900
Exhibiting: New improved Karl Fischer titrator with completely automatic direct digi tal readout in micrograms of water, no stan dardization, no burets to read, and no com putations necessary; complete line of pH meters including densitometer with auto matic integrator with digital printout for reading all electrophoresis media; new auto mated sodium and potassium analyzer.
PICKER CORP. Industrial and Scientific Application Div. 1020 London Rd. Cleveland, Ohio 4 4 1 1 0 . 216-449-3000 PITCHFORD MANUFACTURING CORP. 1901 Painters Run Rd. Pittsburgh, Pa. 15241. 412-531-1227 Exhibiting: Laboratory and portable X-ray spectrographs; electric arc remelt button furnace; miscellaneous sample preparation equipment.
PLASMATICS 2400 Wright Ave. Richmond, Calif. 94804. Exhibiting: generator.
Atomic oxidizer;
415-232-3306 radiofrequency
PLENUM PUBLISHING CORP. 114 Fifth Ave. New York, Ν. Υ. 10010. 212-255-0713 Exhibiting: High-level research books and journals on chemistry, spectroscopy, and re lated fields.
POLYSCIENCE CORP. 2101 DepsterSt. Evanston, III. 60201. 312-475-2909 Exhibiting: Constant-temperature circula tors; viscometers; refrigerated chillers; vari able speed stirrers; analytical mill; filtering apparatus; polarimeters; and analytical stan dards chemical kits.
PRECISION GAS PRODUCTS, INC. 681 Mill St. Rahway, N. J. 07065. 201-381-7600 Exhibiting: New gas catalog, including ultrahigh-purity carrier and reference gases; high est accuracy liquid-phase and vapor-phase calibration mixtures blended to customer specification; and custom-engineered gas handling equipment.
Take new Heath Spectrophotometry for fast, fast relief These are trying t i m e s . . . especially if you're squeezed between a shrinking budget and expanding equipment requirements. But now there's hope for the most belea guered . . . a new, low cost series of Heath modules designed for special industrial, quality control and research use. It offers the same exceptional accuracy & repeat ability as our famous "701" system, plus easy user modification. Choose only the modules that suit your requirements . . . and get a research-quality single beam UV or VIS-near IR system on a budget that even Scrooge would ok. UV Light Source Modules. The EU-701-91 Dj L i g h t Source, in c o n j u n c t i o n w i t h t h e EU-45A Power Supply, produces h i g h , c o n s t a n t i n t e n s i t y r a d i a t i o n between 1800 and 4500 A; o p t i c a l o u t p u t s t a b i l i t y 0 . 1 % . M e c h a n i c a l a d j u s t m e n t s for precise a l i g n m e n t . Excellent source for h i g h - p r e c i s i o n UV s p e c t r o p h o t o m e t r y & k i n e t i c studies. EU-701-91, 3 lbs $195.00* EU-45A, 9 lbs $100.00* Visible Near IR Light Source Modules. The EU-701-90 T u n g s t e n J J g h t Source a n d its power supply, the EU-44A, provides c o n s t a n t i n t e n s i t y r a d i a t i o n f r o m 3500 A to 2 m i c r o n s . Narrow bands can be m a i n t a i n e d to - 0 . 1 % for long periods. H o r i z o n t a l & v e r t i c a l a d j u s t m e n t s . Excellent for k i n e t i c studies and ordinary absorption measurements. EU-701-90, 3 lbs $70.00* EU-44A, 7 lbs $70.00* EU-701-92 Sample Cell Modules. Removable s e l f - a l i g n i n g cell holder a c c e p t s t w o 1-cm cells. U n i q u e baffle design . . . light leakage g u a r a n t e e d less t h a n 1 % of p h o t o d e t e c t o r dark c u r r e n t . Readily m o d i f i e d ; f i l t e r holder & a p e r t u r e plate i n c l u d e d . EU-701-92, 4 lbs $75.00* PM Modules . . . EU-701-93 PM H o u s i n g a n d EU-42A HV power supply. S u p p l i e d w i t h a selected 1P28A t u b e : o t h e r s can be used. External p r o g r a m m i n g , 20:1 to 100:1 ratio. EU-701-93, 4 lbs $100.00* EU-42A, 8 lbs $130.00* EU-700 Scanning Monochromator. Precision Czerny-Turner o p t i c s , 350 m m , f / 7 . 1180 h n e s / m m g r a t i n g . Digital remote s c a n n i n g , 9 f i x e d rates to 20 A / s e c . Resolves to better t h a n 1 Α.; t r a c k s w i t h i n ; i l A. 70 lbs. . . . $1275.00* Choice of readout. Options available i n c l u d e t h e EU-703-31 P h o t o m e t r i c Meter Readout, EU-700-62 P h o t o m e t r i c Digital Readout, EU-201V Multi-speed L o g / L i n e a r Recorder or EU-20V Multi-speed Servo Chart Recorder.
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PRECISION SAMPLING CORP. P. O. Box 1 5 1 1 9 Baton Rouge, La. 70815. 504-9241720 PRECISION SCIENTIFIC CO. 3737 W. Cortland St. Chicago, III. 60647. 312-227-2660 Exhibiting: Thelco glassware dryer; Aeron line of air quality instruments; vacuum pumps; AquaRator-chemical oxygen demand analyzer; general laboratory apparatus; V/L ratio apparatus.
PRECISION STANDARDS CORP. Graphic Instruments Div. 1701 Reynolds Ave. Santa Ana, Calif. 92705. 714-546-0431 Exhibiting: Self-balancing strip chart re corders, Series GP702*, including a complete self-contained 1-mV integrating recorder.
HEATH COMPANY, Dept. 560-01 ,„ „ u Benton Harbor, Michigan 49022
FREE
1971 Heath Scentific Instrumentation Catalog Describes these and hundreds of other factory assembled instruments and systems...modular digital systems and plug-in logic circuit cards, spectros copy systems and modules, Heath/ Malmstadt-Enke laboratory and instru ments. Heath test equipment and much moie. Send coupon now or write: Heath Company Benton Harbor, Mich. 49022
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ANALYTICAL CHEMISTRY, VOL. 43, NO. 2, FEBRUARY 1971
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