- contact catalysis
- heterogeneous catalysis catalysis produced by the adsorbing power of contact surfaces; e.g., catalysis caused by colloidal platinum.
Medical dictionary. 2011.
contact catalysis
Look at other dictionaries:
contact catalysis — noun : catalysis in which the catalyst is a solid in contact with gaseous or liquid reactants * * * contact catalysis, catalysis at the surface of a solid catalyst. Contact catalysis takes place when hydrogen and oxygen combine at the surface of… … Useful english dictionary
contact action — contact catalysis … Medical dictionary
contact acid — noun : sulfuric acid produced by contact catalysis … Useful english dictionary
Catalysis — Ca*tal y*sis, n.; pl. {Catalyse}.[ML., fr. Gr. ? dissolution, fr. ? to destroy, dissolve; kata down, wholly + ? to loose.] [1913 Webster] 1. Dissolution; degeneration; decay. [R.] [1913 Webster] Sad catalysis and declension of piety. Evelyn.… … The Collaborative International Dictionary of English
Catalysis — Catalyst redirects here. For other uses, see Catalyst (disambiguation). Solid heterogeneous catalysts such as in automobile catalytic converters are plated on structures designed to maximize their surface area … Wikipedia
catalysis — catalytic /kat l it ik/, adj., n. catalytical, adj. catalytically, adv. /keuh tal euh sis/, n., pl. catalyses / seez /. 1. Chem. the causing or accelerating of a chemical change by the addition of a catalyst. 2. an action between two or more… … Universalium
catalysis — The effect that a catalyst exerts upon a chemical reaction. [G. katalysis, dissolution] contact c. a process wherein the catalyst is a solid and the catalyzed reaction is produced after the reactants (usually gases) have made contact with the… … Medical dictionary
Contact process — For other uses, see Contact process (mathematics). The contact process is the current method of producing sulfuric acid in the high concentrations needed for industrial processes. Platinum was formerly employed as a catalyst for the reaction, but … Wikipedia
contact action — noun acceleration of a chemical reaction induced the presence of material that is chemically unchanged at the end of the reaction of the top 50 commodity chemicals, 30 are created directly by catalysis and another 6 are made from raw materials… … Useful english dictionary
surface catalysis — catalysis in which the reacting substances are adsorbed onto the surface of the catalyst and there react. Cf. contact c … Medical dictionary
