galvanostat


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galvanostat

[gal′van·ə‚stat]
(electricity)
A device to deliver constant current from a high-voltage battery.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
The electrochemical testing (charge-discharge test) of structural supercapacitor was performed using Potentiostat/ Galvanostat (Model 263A, Princeton Applied Research, 801 South Illinois Avenue, Oakridge, Tennessee, United States).
Electrochemical investigations including potential step chronoamperometry, chronopotentiometry and cyclic voltammetry were carried out using a Hokudo Denko HAB151 Potentiostat/ Galvanostat, Tokyo, Japan, equipped with a potential sweeper.
The setup used in LPRM consists of a working electrode, a counter-electrode, a reference electrode, and a DC power supply unit; usually a potentiostat or galvanostat is utilised for this purpose.
Request of international offers via agents to supply computerized potensiostat/ galvanostat system with impedance unit.
Corrosion tests were performed using EG & G Princeton Applied Research Potentiostat/ Galvanostat Model 273 (Princeton, NJ, USA) and a corrosion cell standardized to ASTM G5.
Through the use of a reference electrode and the control electronics, the SPM system provides control over the electrochemical conditions of the cell with a potentiostat or galvanostat to ensure constant potential or constant current.
For the case of samples polymerized at higher current densities than 1.5 mA x [cm.sup.-2], the cell voltage increased during reaction to the limiting value of the galvanostat (5 V) with subsequent decline in current density.
The integrated new designed potentiostat with galvanostat guarantees highest precision with reduced noise.
Sweeps can be setup in both potentiostat and galvanostat modes.
Eight tenders for the supply of (a) a shredding and sterilizing instrument for medical waste, (b) a near infra red grain analyzer, (c) a microwave reaction instrument, (d) a potentiostat galvanostat instrument, (e) three centrifuge instruments, (f) a muffle furnace of up to 1,800 C, (g) a similar furnace but up to 1,600 C, (h) a similar furnace but up to 1,200 C.
The corrosion resistance properties of the substrate and two different MAO coatings were investigated by the electrochemical impedance spectroscopy (EIS) and potentiodynamic polarization tests using a potensiostat/ galvanostat (EG&G Princeton Applied Research 273A) system.