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4-5

surface mass density, surface density

URNurn:iso:std:iso:80000:-4:ed-2:en:item:4-5

https://metanorma.github.io/isq-smart/quantities/part-4/t4-5
urn:iso:std:iso:80000:-4:ed-2:en:item:4-5

ISQ Identifiers

ISO

urn:iso:std:iso:80000:-4:ed-2:en:item:4-5

IEC

urn:iec:std:iec:80000-4:2019:::item:4-5

Designations

ENsurface mass density

FRmasse surfacique

ENsurface density

FRdensité surfacique

Symbol

ρ_{A}

Notation systems

Rendered

ρ_{A}

AsciiMath

rho_A

LaTeX

\rho_{A}

Definition

quantity representing the areal distribution of mass of a continuous material:

$ρ_{A} (r) = \frac{d m}{d A}$

where $m$ is the mass of the material at position $r$ and $A$

is area

grandeur représentant la répartition surfacique de la masse d'un matériau continu :

$ρ_{A} (r) = \frac{d m}{d A}$

où $m$ est la masse du matériau à la position $r$ et A est l'aire

Units

k g \cdot m^{- 2}

kilogram per square metre

View related quantities →

Notes

The name "grammage" should not be used for this quantity.

Il convient de ne pas utiliser le terme « grammage » pour cette grandeur.

Concept HierarchyPendrill (2024)

L⁻² ML⁻² M quantitiesLevel 0 · Kind

Broader concepts

◇ L⁻² M quantities

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:t4-5

Properties

isq:QuantityShape

Property	Value
rdf:type	isq:Quantity smart:TermEntry
dcterms:identifier	4-5
skosxl:prefLabel	"surface mass density"@en
skosxl:altLabel	"surface density"@en"rho_A"@en
skos:definition	quantity representing the areal distribution of mass of a continuous material: stem:[rho_A(r) = ("d"m)/("d"A)] where s…
skos:note	The name "grammage" should not be used for this quantity.
isq:hasUnit	kg*m^(-2) (kilogram per square metre)
isq:hasDimension	isq:Dimension
smart:hasBindingnessType	bindingness-type:normative
dcterms:isPartOf	isq:part-4

Related Entities

isq:QuantityShape isq:part-4 isq:Unit isq:Dimension isq:hasDimension smart:TermEntry