Concentration
Definition:
The amount of a chemical or substance present in a particular quantity of soil, water, air, food, blood, hair, urine, breath, or any other media.
Source: GreenFacts
More:
Concentration is often expressed in milligrams per cubic meter (mg/m3), parts per million (ppm), parts per billion (ppb) or as a percentage (%). More information can be found in the GreenFacts weight units toolbox.
Source: GreenFacts
Related words:
Translation(s):
Deutsch: Konzentration
Español: Concentración
Français: Concentration
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