GET ON TOP OF ATOMIC ABSORPTION! Analyze over 65 elements with ease, rapidity, and precision with the new TECHTRON AA-4*. Intermix four source lamps — standard and high-intensity types — on rotating warm-up turret. Turn and lock desired lamp into oper ating position with fingertip ease — switch in pre-set operating current with simple push-button control. That's how easy the AA-4 is to use! D Platinumiridium capillary, Teflon nose-piece, and polypropylene spray chamber permit the ready analysis of strongly-acidic solutions. Optimum versatil ity in sampling compartment means more than nine different burners may be individually accommodated (three, however, are recommended for maximum sensitivity and minimum "flame noise" over the entire range of metals). D Standard read-out is in °/oT, Abs., or concentra tion, with built-in scale expansion. Optional digital read-out avail a b l e — also print-out and BCD, or direct-decimal for computer ΟΓ d a t a p r o c e s s i n g p u r p o s e s .
"Manufactured under license from C.S.I.H.O. Australia. Also available in Canada.
For all the details on this advanced analytical instrumentation, write or call:
AZTEC
INSTRUMENTS, INC.
2 Silverbrook Road, Westport, Connecticut 06880. Telephone: (203) 227-1722. See Buyers' Guide for all products/sales offices. Circle No. 113 on Readers' Service Card 28 A
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ANALYTICAL CHEMISTRY
