单词 |
passivator |
释义 |
passivator|ˈpæsɪveɪtə(r)| [f. as prec. + -or.] A passivating agent.
1935F. N. Speller Corrosion (ed. 2) ix. 378 Passivators may be used effectively to retard corrosion in refrigerating systems or anti-freezing mixtures. 1951Engineering 28 Dec. 819/3 The oxidation, which causes sludging and the formation of acids, may be prevented by using an inhibited oil. The substances employed for this purpose include catalyst passivators and de-activators. 1974J. A. von Fraunhofer Concise Corrosion Sci. viii. 79 Passivators or Type IIIA inhibitors... Generally these substances are oxidising agents with redox potentials that are more noble than that of the metal and they are readily reduced. |

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