Relative density
Videos
Relative density, also called specific gravity, is a dimensionless quantity defined as the ratio of the density of a substance to the density of a given reference material. The relative density of sol
A United States Navy Aviation boatswain's mate tests the relative density of JP-5 fuel
An empty glass pycnometer and stopper
A filled pycnometer
Density
Videos
Density is the ratio of a substance's mass to its volume. The symbol most often used for density is ρ, although the Latin letter D can also be used: ρ = m V, where ρ is the density, m is the mass, and
Relative density
…Relative density, also called specific gravity, is a dimensionless quantity defined as the ratio of the density (mass divided by volume) of a substance to the density of a given reference material. The relative density of solids and liquids is nearly always…
A test tube holding four non-miscible colored liquids with different densities
One-troy-ounce (480 gr; 31 g) samples of germanium, iron, aluminium, rhenium and osmium. The differences in size are due to differences in density.