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RDF Terms

Surface Density

Applicable units are those of quantitykind:SurfaceDensity

The area density (also known as areal density, surface density, or superficial density) of a two-dimensional object is calculated as the mass per unit area.

http://en.wikipedia.org/wiki/Area_density

http://www.iso.org/iso/catalogue_detail?csnumber=31889

$\rho_A = \frac{dm}{dA}$, where $m$ is mass and $A$ is area.

$\rho_A$

The area density (also known as areal density, surface density, or superficial density) of a two-dimensional object is calculated as the mass per unit area.