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单词 perrhenic
释义

perrhenicadj.

Brit. /pəˈriːnɪk/, U.S. /pəˈrinɪk/
Origin: Formed within English, by derivation. Etymons: per- prefix, rhenic adj.
Etymology: < per- prefix + rhenic adj. Compare German Perrheniumsäure (J. Noddack & W. Noddack 1929, in Zeitschr. f. anorganische u. allgemeine Chemie 181 20). Compare perrhenate n.
Chemistry.
perrhenic acid n. a strong oxidizing acid, HReO4, known only as a colourless aqueous solution.
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the world > matter > chemistry > chemical substances > acids > [noun] > acids-named > other named acids
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pertechnetic acid1962
1929 Chem. Abstr. 23 1833 Yellow oxide, Re2O7,..is water sol[uble], hygroscopic, forming a strong acid, perrhenic acid.
1962 P. J. Durrant & B. Durrant Introd. Adv. Inorg. Chem. xxiv. 1019 Many salts of perrhenic acid are known.
1998 Oil & Gas Jrnl. (Nexis) 19 Oct. 79 A rhenium fraction, on the other hand, is soluble in the acid and produces a perrhenic acid solution.
This entry has been updated (OED Third Edition, December 2005; most recently modified version published online March 2022).
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adj.1929
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