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9-43

degree of dissociation, dissociation fraction

URNurn:iso:std:iso:80000:-9:ed-2:en:item:9-43

https://metanorma.github.io/isq-smart/quantities/part-9/t9-43
urn:iso:std:iso:80000:-9:ed-2:en:item:9-43

ISQ Identifiers

ISO

urn:iso:std:iso:80000:-9:ed-2:en:item:9-43

IEC

urn:iec:std:iec:80000-9:2019:::item:9-43

Designations

ENdegree of dissociation

FRfacteur de dissociation

ENdissociation fraction

FRdegré de dissociation

Symbol

α

Notation systems

Rendered

α

AsciiMath

alpha

LaTeX

\alpha

Definition

in a sample, quotient of the number $n_{d}$ of dissociated molecules and the total number $n$ of molecules:

α = n_{d} / n

dans un échantillon, quotient du nombre $n_{d}$ de molécules dissociées par le nombre total $n$ des molécules:

α = n_{d} / n

Units

1

one

View related quantities →

Concept HierarchyPendrill (2024)

1dimensionless quantitiesLevel 0 · Kind

Broader concepts

◇ dimensionless quantities

Characterizes

● molecule

Ontology
isq:Quantity smart:TermEntry

Class Hierarchy

smart:Entity smart:TermEntryisq:Quantity

A physical quantity as defined in ISO/IEC 80000, with associated symbols, definitions, and units of measurement.

Instance IRI

isq:t9-43

Properties

isq:QuantityShape

Property	Value
rdf:type	isq:Quantity smart:TermEntry
dcterms:identifier	9-43
skosxl:prefLabel	"degree of dissociation"@en
skosxl:altLabel	"dissociation fraction"@en"alpha"@en
skos:definition	in a sample, quotient of the number stem:[n_"d"] of dissociated molecules and the total number stem:[n] of molecules: […
isq:hasUnit	1 (one)
isq:hasDimension	isq:Dimension
smart:hasBindingnessType	bindingness-type:normative
dcterms:isPartOf	isq:part-9

Related Entities

isq:QuantityShape isq:part-9 isq:Unit isq:Dimension isq:hasDimension smart:TermEntry