TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

COULOMETRY [2 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2012-01-30

English

Subject field(s)
  • Analytical Chemistry
  • Electrical Measurements
  • Electrolysis (Electrokinetics)
DEF

In analytical chemistry, method for determining the quantity of a substance, based on the strict proportionality between the amount of chemical change and the quantity of electricity required to complete the reaction (Faraday's law). The quantity of the material to be analyzed can be determined directly by depositing the substance on an electrode or by generating electrolytically in the solution a known amount of a substance that will react with the test material.

OBS

In chemical analysis the term coulometric analysis is also used.

French

Domaine(s)
  • Chimie analytique
  • Mesures électriques
  • Électrolyse (Électrocinétique)
DEF

Méthode moderne de dosage de traces, dans laquelle on mesure la quantité d'électricité mise en jeu au cours de réactions provoquées par électrolyse.

CONT

La coulométrie est l'utilisation la plus simple de la loi de Faraday. Cette loi de l'électrolyse relie quantitativement la matière, transformée sur l'électrode et la quantité d'électricité qui a accompli la transformation.

OBS

En chimie analytique, on détermine le poids ou le volume d'une substance et l'évaluation de certaines de ses propriétés par dosage.

Spanish

Campo(s) temático(s)
  • Química analítica
  • Medición eléctrica
  • Electrólisis (Electrocinética)
DEF

Técnica instrumental para determinación de contaminantes, basada en la corriente eléctrica consumida en la descarga de alguna de sus formas iónicas o de las producidas en su reacción.

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Record 2 2011-05-31

English

Subject field(s)
  • Analytical Chemistry
DEF

The controlled-potential coulometry in which the dropping mercury (or other liquid metal) electrode is used as the working electrode.

OBS

The limiting current which passes through this electrode is measured against the time of electrolysis on the electric charge.

French

Domaine(s)
  • Chimie analytique

Spanish

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