NEWS forms are available from Dr. Moses Passer, Educational Secretary, ACS, 1155 Sixteenth St., N. W., Washington, D. C. 20036.
Industry Items
CONSTANT PRESSURE REGULATION Millaflow's Balanced Pressure Regulators supply constant pressure for chromatography and many other applications. The exclusive balance feature maintains constant regulated pressure despite upstream decay or fluctuation. Added safety feature: in event of seal failure check valve prevents high pressure from entering regulated side. Complete details available. Standard Specifications I n l e t pressure: 3000 PSIG m a x i m u m O u t l e t p r e s s u r e : A d j u s t a b l e 0 - 7 5 PSIG 0 - 2 0 0 PSIG o p t i o n a l 0 - 2 5 0 PSIG o p t i o n a l
M a x i m u m Cv f l o w c o e f f i c i e n t : .108 (do e q u i v . s h a r p edge o r i f i c e : .075) A c c u r a c y : 2 % of r e g u l a t e d pressure A v a i l a b l e i n brass o r s t a i n l e s s s t e e l
MILLAFLOW D I V I S I O N OF N A T I O N A L W E L D I N G E Q U I P M E N T C O . 2 5 0 Canal Boulevard · Richmond. California · Phone(415) 524-8161
Circle No. 225 on Readers' Service Card
Eastern "job-sized" pumps and stirrers save w e i g h t • space • power • costs Eastern has [just the right [pumps or miAcrtor ij-your Idboratoiy or pilot ; plant application. The wide range of Eastern products lets ''you choose standard units so f closely geared to the job that fthoy might have been created just for it. •A complete engineering service ito help you. and a big selection of more compact, versatile, high .'performance pumps and stirrers — this is the formula for your quick and easy choice.
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A wide range . . ' . in midget pumps: centrifugal and positive pressure models—motors! from 1/30 to 1/3 hp. 'capacities to 20 gph. pressures to 60 psi. in variable speed stirrers:* From 1/100 to 1/15 hp non-sparking motor with clamp or ring stand just right for your lab use.
Send for laboratory equipment iSei Wo. 1540
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EASTERN
INDUSTRIES
A D I V I S I O N OF LABORATORY FOR ELECTRONICS, I N C .
100 SKIFF STREET • HAMDEN 14. CONNECTICUT
The Shimadzu (Japan) ultravioletvisible spectrophotometer Model QV-50 is exclusively distributed in the U. S., east of the Mississippi River by Cos mos Scientific Co., Jersey City, N. J. Ace Scientific Supply Co., Linden, N. J., and Preiser Scientific Co., Charleston, W. Va., Louisville, Ky., and Cincinnati, Ohio, are stocking dealers with the instrument and accessories. The Lab-Crest Scientific Division of Fischer & Porter Co. has appointed Fisher Scientific Co., Pittsburgh, Pa., as a franchised dealer. Covered are Lab-Crest's line of flowmeter kits, chromatographic columns, threaded glass needle valves, and Ultramax lab oratory glassware. A new laboratory facility for colormeasurement service has been estab lished by Instrument Development Laboratories, 07 Mechanic St., Attleboro, Mass. Services include spectrophotometric, colorimetric, and radio metric measurements for a variety of materials. Field consultation service is also available. Lachat Chemicals, Inc., has moved to larger quarters at the Ashland Office Bldg., 20200 Ashland Ave., Chicago Heights, 111. 60411. Macalaster Scientific Corp., 60 Arsenal St., Watertown, Mass., a sub sidiary of Raytheon Co., has been named exclusive distributor for North and South America for an educational spectrometer developed by Barnes En gineering Co., Stamford, Conn. Melpar, Inc., Falls Church, Va., lias announced that Micro Tek Instru ments, Inc., Baton Rouge, La., will market their recently developed flame photometric detector. Micro Tek Instruments, Inc., Baton Rouge, La., will exclusively market in the U. S. the full range of spectrophotometers made by Unicam Instruments, Ltd., of Cambridge, Eng land. Picker X-Ray Corporation's Nu clear Division, White Plains, Ν. Υ., has become exclusive distributor for liquid scintillation counters and con tinuous-flow monitors made by Ansitron, Inc., a subsidiary of Dero Re search and Development Corp., Huntington, Ν. Υ. Intensif}- calibration of ultraviolet lamps emitting at 2537 A. is a service announced by Ultra-Violet Products, Inc., San Gabriel, Calif.
Circle No. 138 on Readers' Service Card 64 A
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ANALYTICAL CHEMISTRY
Circle No. 28 on Readers' Service Card
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