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    STUDIA PHYSICA - Issue no. SPECIAL ISSUE / 2001  
         
  Article:   POTENTIOSTATIC SYSTEM WITH DATA ACQUISITION FOR ELECTROCHEMICAL MEASUREMENTS.

Authors:  N. LUPŞA, GH. MIHĂILESCU, V. MIREL, ALINA N. NICA, A. PAMULA, STELA PRUNEANU.
 
       
         
  Abstract:   We have designed and built a potentiostatic system which is connected to a computer from the PC family, in the same way as any other equipment (e.g. scanner, printer). The potentiostatic control is realized through the computer, and the obtained data are stored in the computer memory, plotted on the screen and recorded on the disk as a file .The file data are available for late offline processing. The voltage value lays between -5V and +5V with a speed which can be chosen between 2.5 mV/s and 1000 mV/s. For the current measurement there are five levels with the following maximum values: 10 A, 100 A, 1mA, 10 mA, 100 mA. The main parts of the potetiostatic system are: the electrochemical cell interface the electronic block the interface board from the computer. A control and data acquisition program ensures the potentiostatic system function.  
         
     
         
         
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