| Concept URI | http://www.eionet.europa.eu/gemet/concept/1210 |
|---|---|
| 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 |
| Not Accepted Date | |
| Alternative label | |
| Has broader | |
| Has narrower | |
| Is related to | |
| Has related match | |
| Has close match | |
| Source |
European Environment Agency
Kgs. Nytorv 6, DK-1050 Copenhagen K, Denmark