perkin-elmer
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NOW...AN AUTOMATIC SAMPLE CHANGER FOR THE COLEMAN MODEL 139
new accessory makes the world1
most adaptable UV-VIS spectrophotometer even more versatil
at Now, with the new Automatic Sample Changer, you can expand your analytical techniques to handle heavy workloads with unerring precision. Simply attach this new accessory to the Model 139 Spectrophotometer and you can make repeated, automatic determinations on a series of samples . . . program sequential aspiration and measurement of samples from test tubes in a fraction collector . . . utilize a wide selection of suction reading, discard procedures. An automatic cell cleaning feature assures highly accurate determinations throughout the entire operating range. Call your Coleman dealer now about adding this new Automat ic Sample Changer . Aren't you glad you have the Coleman Model 139—the most adaptable UV-VIS spectrophotometer in the world?
MODEL 139 SPECTROPHOTOMETER CONNECTED TO AUTOMATIC SAMPLE CHANGER AND RECORDER
OTHER ACCESSORIES: Photomultiplier · Flame Photometer · Atomic Absorption Unit · Fluorophotometer · Non-dispersive Fluoro-photometer · Diffuse Reflectance Attachment · Spectral Energy Recorder · Time Drive Recorder · tong Path Cell · Flow-through Cell · Micro Cells · Temperature-Controlled Cell.
For Information Write Coleman Instruments Division, The Perkin-Elmer Corporation, 42 Madison Street, Maywood, Illinois 60153
PERKIN-ELMER Ask for Sample
Changer Bulletin A-301
Circle No. 149 on Readers' Service Card
116 A · ANALYTICAL CHEMISTRY