Residue (chemistry)

Under residues in chemistry refers to a residual amount of harmful, foreign substances and additives from chemical reactions. Colloquially, the term is also Schlunz has naturalized. Residues resulting from the treatment, processing (eg, incineration) of substances.

In environmental chemistry and ecology is concerned with the residues in the form of pollutants. These can be found in the air, in soil, plants, animals as well as in food and feed. They can be possibly transported through the food chain to humans.

Tobacco smoke residues in clothes, hair, flooring or walls can lead to odors, which are also known as residual smoking.