Category:OSW11229d19a3ec5550a6eef668c5ff1724: Difference between revisions

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Latest revision as of 06:04, 1 March 2025

DirectCoulometryAtControlledCurrent
ID	OSW11229d19a3ec5550a6eef668c5ff1724
UUID	11229d19-a3ec-5550-a6ee-f668c5ff1724
Label	DirectCoulometryAtControlledCurrent
Machine compatible name	DirectCoulometryAtControlledCurrent
Statements (outgoing)

Statements (incoming)

Description

Coulometry at an imposed, constant current in the electrochemical cell. Direct coulometry at controlled current is usually carried out in convective mass transfer mode. The end-point of the electrolysis, at which the current is stopped, must be determined either from the inflection point in the E–t curve or by using visual or objective end-point indi- cation, similar to volumetric methods. The total electric charge is calculated as the product of the constant current and time of electrolysis or can be measured directly using a coulometer. The advantage of this method is that the electric charge consumed during the electrode reaction is directly proportional to the electrolysis time. Care must be taken to avoid the potential region where another electrode reaction may occur.

Category (Class)

OWL Class
Imported fromA prefixed IRI defining this entry as a imported term. In OSW the prefix must be a registered imported ontology.<br>Definition: OWL Class	https://w3id.org/emmo/domain/characterisation-methodology/chameo#DirectCoulometryAtControlledCurrent

EmmoClass
Supercategories<br>Definition: Category (Class), OWL Class, EmmoClass	Coulometry
metaclass<br>Definition: Category (Class), EmmoClass	EmmoClass

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jsondata

rdf_type

"owl:Class"

uuid

"11229d19-a3ec-5550-a6ee-f668c5ff1724"

iri

"https://w3id.org/emmo/domain/characterisation-methodology/chameo#DirectCoulometryAtControlledCurrent"

name

"DirectCoulometryAtControlledCurrent"

label

text	"DirectCoulometryAtControlledCurrent"
lang	"en"

description

text

"Coulometry at an imposed, constant current in the electrochemical cell. Direct coulometry at controlled current is usually carried out in convective mass transfer mode. The end-point of the electrolysis, at which the current is stopped, must be determined either from the inflection point in the E–t curve or by using visual or objective end-point indi- cation, similar to volumetric methods. The total electric charge is calculated as the product of the constant current and time of electrolysis or can be measured directly using a coulometer. The advantage of this method is that the electric charge consumed during the electrode reaction is directly proportional to the electrolysis time. Care must be taken to avoid the potential region where another electrode reaction may occur."

lang

"en"