This short video provides viewers with an overview and short summary of Density Standards.
Density, also called Mass Density, is a fundamental physical property of a material. It is defined as the mass per unit volume at a specific temperature. Mathematically, density is expressed as mass/volume where the SI units are kg/m3 but g/cm3 or g/ml are also widely used. The density of a material varies with temperature and pressure. This variation is typically small for solids and liquids but much greater for gases.
Density is traditionally determined by a manual method called pycnometry but can also be measured by automated methods including, vibrational density meters or by hydrostatic weighing. Density measurement by pycnometry, is a fundamental measurement technique covered by ASTM D1480 and ASTM D1217 methods.
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