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10-28

specific activity, massic activity

URNurn:iso:std:iso:80000:-10:ed-2:en:item:10-28

https://metanorma.github.io/isq-smart/quantities/part-10/t10-28
urn:iso:std:iso:80000:-10:ed-2:en:item:10-28

ISQ Identifiers

ISO

urn:iso:std:iso:80000:-10:ed-2:en:item:10-28

IEC

urn:iec:std:iec:80000-10:2019:::item:10-28

Designations

ENspecific activity

FRactivité massique

ENmassic activity

FRactivité massique

Symbol

a

Notation systems

Rendered

a

AsciiMath

a

LaTeX

a

Definition

quotient of the activity $A$ (activity) of a sample and the mass $m$ (ISO 80000-4: Mechanics) of that sample:

a = A / m

quotient de l'activité $A$ (activity) d'un échantillon par la masse $m$ (ISO 80000-4: Mechanics) de cet échantillon:

a = A / m

Units

B \frac{q}{k} g

becquerel per kilogram

View related quantities →

k g^{- 1} \cdot s^{- 1}

per kilogram second

View related quantities →

Concept HierarchyPendrill (2024)

M⁻¹ T⁻¹M⁻¹ T⁻¹ quantitiesLevel 0 · Kind

Broader concepts

◇ M⁻¹ T⁻¹ quantities ↑ activity

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:t10-28

Properties

isq:QuantityShape

Property	Value
rdf:type	isq:Quantity smart:TermEntry
dcterms:identifier	10-28
skosxl:prefLabel	"specific activity"@en
skosxl:altLabel	"massic activity"@en"a"@en
skos:definition	quotient of the activity stem:[A] (<<t10-27>>) of a sample and the mass stem:[m] (<<iso80000-4>>) of that sample: [stem…
isq:hasUnit	Bq/kg (becquerel per kilogram)kg^(-1)*s^(-1) (per kilogram second)
isq:hasDimension	isq:Dimension
smart:hasBindingnessType	bindingness-type:normative
dcterms:isPartOf	isq:part-10

Related Entities

isq:QuantityShape isq:part-10 isq:Unit isq:Dimension isq:hasDimension smart:TermEntry