Tightwads.
Perkin-Elmer permanent magnet NMR Spectrometers operate for only pennies a day. A Perkin-Elmer permanent magnet NMR Spectrometer will save you up to $7000 a year in operating costs compared to an electromagnet unit. The electric bill is about what you'd pay to light a room. It will also cost less to install. You don't need cooling water, pipes, or coils. And it will do its job for years longer. The four models above give you a choice of sizes, prices, and capabilities. They're the result of Perkin-Elmer's 15 years of leadership in permanent magnet NMR. Now, the advantages of NMR spectroscopy - including pulsed FFT systems for faster data sampling by computer - are within reach of any laboratory. MODEL R26. If you want Carbon-13 NMR, here's a lowcost, easy-to-use system. Internal deuterium signal locking assures stable operation in long-term experiments. Simple pushbutton controls for FT of stored data. MODEL R32. The only 90MHz NMR instrument designed with the chemist in mind. Adapts to various requirements through its pushbutton internal lock, variable temperature system, and double resonance capabilities of spin de-
coupling, tickling, or INDOR. Now available with versatile pulsed FFT capabilities. MODEL R12B. For medium-priced, 60MHz NMR instrumentation. Rapid sample throughput aided by a pushbutton internal lock system. Offers advanced FFT capabilities, newest decoupler design, 10-speed flowchart recorder, and a wide range of operating parameters. MODEL R24A. 60MHz NMR at a very low price. High-level performance with easy, pushbutton controls. Convenient for industry, uncomplicated for schools. Features 25:1 S/N, 0.6 Hz resolution, long-term resolution, and system stability. Digital drive X-Y recorder, optional spin-spin decoupling and dynamic lock. Before you buy any NMR spectrometer, get more information from the leader in permanent magnet instruments. Instrument Marketing Division, Perkin-Elmer Corporation, Main Avenue, Norwalk, CT 06856.
PERKIN-ELMER
CIRCLE 197 ON READER SERVICE CARD A N A L Y T I C A L CHEMISTRY, VOL. 47, NO. 4, APRIL 1975 · 457 A
