THE NEW PERKIN-ELMER® MODEL 221 INFRARED SPECTROPHOTOMETER gives every chemical laboratory the finest in accuracy, ease and versatility of infrared analysis
Newest in Perkin-Elmer's line of analytical aids, the Model 221 assures that your laboratory — with this in strument — can achieve and maintain a strongly compet itive position in the field of infrared chemical analysis. The powerful Model 221 offers completely new concepts of automatic spectrum control, analyst convenience, push-button ease of operation and designed sampling versatility. In speed of analysis, in number of analyses per day.
in first-time accuracy of determinations — the Model 221 is ready to bring a totally new dimension of infrared analysis to your laboratory, give you more useful infor mation — faster. Send today for full details, including more remarkable spectra like t h a t below. Features of the Model 221 include: • New Automatic Gain Control · New Programmed Scanning • New Automatic Speed Suppression · New 2-minute prism/ grating interchange · Ordinate scale expansion and compres sion · New sure-acting P-E recorder pen.
A high resolution run of ammonia I N S T R U M E N T
D I V I S I O N
Perkin-Elmer Corporation
N Ν O Ο RR W W AAL K Circle No. 70 on Readers' Service Card 60 A
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ANALYTICAL CHEMISTRY
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