IL's new low cost AA's are the ONLY LOW COST AA's Featuring: Simultaneous background correction in a single beam model* A double beam unit priced below any equivalent AA on the market. Built-in fully automatic gas system* Highest speed peak area and peak height integration, in 5 steps from 1/16 to 16 sec. Unique self-test circuit.
· * * · ·
First AA's at any price with zoom lenses. These maintain constant focal point across entire wavelength range. All-in-a-drawer electronics. Built-in wavelength scan* 4-digit L.E.D. display. Up to 3.0 absorbance readout. High efficiency COUNTER-FLO JET.™
Plus these added features: • Scale expansion from 0.3 to 50x · Individually-controlled 4-lamp turret- · Flame emmission mode · Flameless sampling capability — results enhanced by IL's unique high speed electronics, peak area detection and zoom lenses · Design simplicity for easy operation and maintenance · Pressure orifice control of gas flow · Curve correction • 0.33 m Ebert monochromator with curved variable slits.
New Double Beam IL 251 $6895 (U.S. only)
New Single Beam IL 151 $4995 (U.S. only)
In short, the new IL 151 and 251 provide more AA capability for less dollars than any comparably-priced units now made. They are only the latest in a long line of state of the art breakthroughs from IL — a recognized leader in innovative AA instrumentation since 1967. These new low cost IL models offer the most economical means to date for accurately measuring the concentrations of some 70 elements in an endless variety of samples and matrices. For a descriptive brochure or a demonstration, write IL today. *Optional
Instrumentation Laboratory Inc. 113 Hartwell Avenue/Lexington,Mass 02173/Tel 617-861-0710 CIRCLE 96 ON READER SERVICE CARD 1088 A · ANALYTICAL CHEMISTRY, VOL. 45, NO. 13, NOVEMBER
1973