28 A
ANALYTICAL
CHEMISTRY
MACBETH pH Meters theicl/oiceliMiÎ^âK^e*! throughout the world! From Bangkok to Bangor in laboratories the world over you'll find Macbeth pH Meters. What's the reason for this popularity? . . . Ac curacy, low cost, ease of operation, reliability. Mac beth manufacturing e x p e r i ence is your assurance of a fine product. Write us for literature.
MACBETH CORPORATION 227WEST17THST. • NEW YORK 11, N.Y.
Eberbach ELECTRO-ANALYSIS APPARATUS Recommended for determinations of nickel, cop per, antimony, cadmium, zinc, chromium, and other metals, this apparatus has rugged construc tion needed for continuous duty and versatility required for research. Built-in rectifier delivers 8 volts, 5 amperes DC to both spindles simultane ously or 10 amperes DC for a single determina tion. Stirrers rotate at constant speed of 550 r.p.m. Electrodes are mounted in special stainless steel holders by a spring grip. Front of apparatus is stainless steel; sides are cast aluminum with black wrinkle finish. Apparatus operates di rectly from line of 115 or 230 volts 60 cycle, single phase. It comes ready for use on 115 volts; change of wires adapts to 230 volts. Apparatus measures 29'/2" tall 14λΑ" wide and Ιβ'Λ" deep. Ask y o u r dealer for full particulars.
N . . 32-560
LABORATORY APPARATUS & SUPPLIES
$350.00
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Eberbach & SON COMPANY ANN ARBOR.MICH.
CSTAauMtfD 1843
