A relatively small quantity of a substance added to a product which affects its properties (e.g. fillers, softeners, flame retardants, stabilizers).
Solid substance with an active surface which reversibly accumulates gas or liquid.
Abbreviation for »Aktiengesetz«, German Companies Act.
Colorless gas, easily dissolved in water, used as a basis for manufacturing fertilizers.
Organic compound with a ring structure found for instance in solvents and fuel.
Investigative procedure serving to evaluate whether processes comply with requirements.