New Coleman Junior II Spectrophotometer Easier reading, faster response, new UV-Visible-NIR range -all at low cost! Here is the new spectrophotometer t h a t gives you the fast, simple operation you need for control work a n d provides t h e wavelength range and versatility found in slower, more expensive instruments.
Solid-state detector. No phototubes, no vacuum tubes. Built-in power supply is fully transistorized. You have just one compact case on your lab bench.
Wide range. A turn of a knob selects any wavelength—from 325 to 825 m^—for rapid, routine determinations. No detector switching. No slit adjustments. Fixed 20 m/x bandpass.
control, wastewater treatment, ferrous and nonferrous m e t a l s , a g r i c u l t u r a l t e s t labs and pharmaceutical labs.
Easier reading. Big, shielded, 8-inch absorbance/ transmittance scale panel has readout so bright you can read it at a glance. Faster response. U n i q u e , h i g h l y s e n s i t i v e galvanometer m o v e m e n t "locks i n " on i t s reading in two seconds, without vibration or overshoot.
COLEMAN
Industrial applications, include water quality
T h e Coleman J u n i o r I I h a s o u t p u t for a recorder, printer or digital readout. There's a Flame Photometer attachment for Na, K, Ca, Mg and Li . . . And wide range of cuvette sizes, u p to 25 mm, including automatic emptying Vacuvettes for rapid sample handling. Send today for details on the new Coleman Junior I I . Request Bulletin AB-310.
INSTRUMENTS MAYWOOD, ILLINOIS 60153
COLEMAN
A Division of The Perkin-Elmer Corporation See ACS Laboratory Guide for All Products/Sales Office
Circle No. 212 on Readers' Service Card VOL. 39, NO. 4, APRIL 1967
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