Imagine! A n automated continuous flow industrial analyzer f o r under $ 6 5 0 0 · The jobs our CFA 200 will do won t surprise you. We produce well over 200 plug-in analytical cartridgesfo the CFA200to handlethe verysameautomatedcolori metricwetchemical procedures you feel comfortable with. Yet our CFA 200 Analyzer was designed for indus trial applications. So it's a lot less finicky. Its direct gear drive pump wears less, and is a snai maintain. Its unique prismoptics improves photometrii accuracy. Itsprealignedflowcellsslipin and out in seconds. And if you need greater sensitivity we will equip your CFA 200 with flowcells up to 75mm. Also, you get an easy-to-read digital readout. And practically any standard chart recorder plugs in when lyili 333 All this packaged in a single, rugged compact case you can move from the lab, to the plant, to the field. CFA 200—the less finicky wet analyzer from Scientific Instruments Corporation. More instrument, more service... for less money. Write for free details.
™ INSTRUMENTS
scientific
CORPORATION
2 5 Broadway, Pleasantville, NY 1 0 5 7 0 • Phone: ( 9 1 4 ) 7 6 9 - 5 7 0 0 SEE US AT THE PITTSBURGH CONFERENCE, BOOTH # 1 5 5 0 - 5 2 CIRCLE 197 O N READER SERVICE CARD
The little Chem Meter : big on accuracy Take a look at all the outstanding features m our Series 20 Chem/Meter hydraulic diaphragm metering pump: Metering accuracy within ± 1%. Steady, continuous feeding of clear fluids'. Capacities of 14.7 ML/min. Pressures t o 1500 psi. Zero t o 100% capacity adjustment while operating. Totally enclosed, leakproof design. Wetted parts made of corrosive resistant stainless steel with sapphire ball-seats and teflon diaphragms. Measures only 10J-Î" X 5" X 3J£". The Series 2 0 Chem/Meter is ideal for machinery that requires the injection of precisely measured liquids. These include plastics, pharmaceuticals, chemical process, foods, beverages and fertilizers. For larger measuring requirements from 23 to 3024 ML/min we have the Series 200 Chem/Meter. You can get all the details on t h e reliable Chem/Meter line by calling or writing Crane Co., Chempump Division, Warrington, Pa. 18976.
CRANE ® CHEMPUMP CIRCLE 32 ON READER SERVICE CARD 216 A . ANALYTICAL CHEMISTRY, VOL. 5 1 , NO. 2, FEBRUARY 1979
CR8-190
News
Lake Shore Cryotronics, Inc., 64 East Walnut St., Westerville, Ohio 43081 (614-891-2243). Science Media announces an instructional program entitled "The Identification of Polymer Additives by Infrared Spectroscopy." Authored by Richard Nyquist of Dow Chemical Co., this is the second program in a new series (developed in a cooperative effort with the Coblentz Society) devoted to the interpretation of IR spectra of specific classes of compounds. Program materials consist of an audio taped lecture on cassette, workbook, problem spectra booklet, and text. Price is $45. Contact: Science Media, P.O. Box 910, Boca Raton, Fla. 33432. Lab-Line Instruments, Inc., installed the Centrex System effective Dec. 4,1978. Their new main number is 312-450-2600 or 312-LAB-LINE. Astra Scientific International Inc., announces its appointment as the exclusive U.S. representative for SoleaTacussel, a manufacturer of electrochemical instrumentation located in France. For more information contact: Astra Scientific International, Inc., P.O. Box 2004, Santa Clara, Calif. (408-244-9767). Science Media, a division of J. Huley Associates, Inc., has expanded the utility of its spectra interpretation courses by offering a revised edition. Currently in use in over 500 higher level academic institutions, subjects include the interpretation of infrared, NMR (proton and C-13), mass, Raman, and electron spin resonance spectra. Newly adapted materials consist of seven audio cassettes, workbooks, and explanatory notes. The complete series is priced at $175.
ANALYTICAL CHEMISTRY is pleased
to announce the availability of a combined reprint containing the 50th Anniversary Symposium contributions presented at Miami Beach in September 1978 and published in the November and December 1978 issues of the JOURNAL. The 42-page reprint also contains Professor Laitinen's editorials from Nov. and Dec. and the Report on editorial staffing over the 50-year period. For your copy, send $1.00 to cover postage and handling to Business Operations, American Chemical Society, 1155 16th St., N.W., Washington, D.C. 20036.