Category:OSW0dc1f1c7d72f5387bc0d875058e91e38: Difference between revisions

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Latest revision as of 06:03, 1 March 2025

Amperometry
ID	OSW0dc1f1c7d72f5387bc0d875058e91e38
UUID	0dc1f1c7-d72f-5387-bc0d-875058e91e38
Label	Amperometry
Machine compatible name	Amperometry
Statements (outgoing)

Statements (incoming)

Description

Amperometry can be distinguished from voltammetry by the parameter being controlled (electrode potential E) and the parameter being measured (electrode current I which is usually a function of time – see chronoamperometry). In a non-stirred solution, a diffusion-limited current is usually measured, which is propor-tional to the concentration of an electroactive analyte. The current is usually faradaic and the applied potential is usually constant. The integral of current with time is the electric charge, which may be related to the amount of substance reacted by Faraday’s laws of electrolysis. The amperometric method provides the ability to distinguish selectively between a number of electroactive species in solution by judicious selection of the applied potential and/or choice of electrode material.

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#Amperometry

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

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Attachments

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jsondata

rdf_type

"owl:Class"

uuid

"0dc1f1c7-d72f-5387-bc0d-875058e91e38"

iri

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

name

"Amperometry"

label

text	"Amperometry"
lang	"en"

description

text

"Amperometry can be distinguished from voltammetry by the parameter being controlled (electrode potential E) and the parameter being measured (electrode current I which is usually a function of time – see chronoamperometry). In a non-stirred solution, a diffusion-limited current is usually measured, which is propor-tional to the concentration of an electroactive analyte. The current is usually faradaic and the applied potential is usually constant. The integral of current with time is the electric charge, which may be related to the amount of substance reacted by Faraday’s laws of electrolysis. The amperometric method provides the ability to distinguish selectively between a number of electroactive species in solution by judicious selection of the applied potential and/or choice of electrode material."

lang

"en"

Subcategories

This category has only the following subcategory.

O

Chronoamperometry‎ (empty)