Concept URI | http://www.eionet.europa.eu/gemet/concept/1210 |
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Preferred label | catalyst |
Definition | A substance whose presence alters the rate at which a chemical reaction proceeds, but whose own composition remains unchanged by the reaction. Catalysts are usually employed to accelerate reactions(positive catalyst), but retarding (negative) catalysts are also used. |
Notation | |
Status | Valid |
Status Modified | 2013-12-05 |
Accepted Date | 2013-12-05 |
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Source |
European Environment Agency
Kgs. Nytorv 6, DK-1050 Copenhagen K, Denmark