Similar term(s): sulfate, sulphur oxides.
Sulphate is a salt of sulphuric acid. It refers both to the SO42- anion and to any compound that contains this ion.
In air, sulphates occur as microscopic particles (aerosols) resulting from the combustion of fossil fuel and biomass that contain sulphur. They increase the acidity of the atmosphere and form acid rain
Source: GreenFacts
Acid rain - Sulphur dioxide (SO2)
Español: Sulfatos
Français: Sulfate