ASTRA SCIENTIFIC INTERNATIONAL, INC. - Analytical Chemistry

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BP^P^nnPWS^Ir'P'^^^^^^^?:DFASDGSDGHSDFHGSDHGSDFHSDHGSDFHGSDFHG equlremeni FSFGASGSADGSDFGSDFGSDFGSDFGSDFGSDFGDSFGDSFG FGSDFGFDGSDFGSDFGSDFGSDFGDSFGSDFGDFGDFSGDFG These potentiostats are widely used for FGSDFGSDFGSDFGSDFGSDFGSDFGSDFG plotting of current/voltage curves of electrochemical systems, potentiokinetic studies, polarography and programmed voltametry. Power ranges vary from 2 watts to 20 kilowatts with rise times of 50 nanoseconds to β, 10 seconds, C.

POLAROGRAPHIC SYSTEMS A unique research system Is available, which allows you to control a variety of electrochemical studies such as cyclic voltametry, chronoamperometry, chronocoulometry, elec­ trode kinetics, etc., as well as a versatile pulse polarographic analyzer for routine applications and a simple D.C. instru­ ment for educational purposes.

ROTATING ELECTRODES

TITRATION A number of systems for potentlometrlc, coulometrlc, and conductometric titrations are a v a i l a b l e - f r o m simple, quality control type systems to sophisticated computer-com­ patible research instruments.

A rotating disc elec­ trode is available for carrying out voltametric techniques In chemical research and analysis. Also available is a rotating ring and disc electrode designed for the study of electrode pro­ cesses and for determin­ ing kinetic characteristics of homogeneous or hetero­ geneous reaction.

Other equipment includes pH meters, Ion meters, millivolt meters, conductivity meters, electrodes, corrosion instruments, current measurement instruments and industrial electrochemical instruments. For a brief description of the Tacussel product line, write or call for their mini-catalog, or ask for detailed information on a specific product. Tacussel products are available in the United States exclusively through

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ASTRA SCIENTIFIC INTERNATIONAL, INC. P.O. BOX 2004/SANTA CLARA, CALIFORNIA 95051/TELEPHONE (408) 244-3040/TELEX 348-399

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ANALYTICAL CHEMISTRY, VOL. 52, NO. 3, MARCH 1980 · 401 A