TERMIUM Plus®

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CHRONOPOTENTIOMETRY [1 record]

Record 1 2011-10-13

English

Subject field(s)
  • Analytical Chemistry
  • Electrochemistry
DEF

Electroanalysis based on the measurement at a working electrode of the rate of change in potential versus time; the current is controlled.

OBS

A source of constant current is applied to the electrodes and the time required for the potential of the indicator electrode to transit from a predetermined value to a higher one is observed. A plate is made of the square root of transition time against titrant added. End-points are generally located by extrapolation at changes in slope in the titration curve.

French

Domaine(s)
  • Chimie analytique
  • Électrochimie
DEF

Méthode de mesure des variations de tension en fonction du temps.

Spanish

Campo(s) temático(s)
  • Química analítica
  • Electroquímica
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