perchloricadj.

Brit.

/pəˈklɔːrɪk/,

/pəˈklɒrɪk/, U.S.

/pərˈklɔrɪk/

Origin: Formed within English, by derivation. Etymons: per- prefix, chloric adj.

Etymology: < per- prefix + chloric adj. Compare perchlorate n., and slightly later perchloride n.

Chemistry.

perchloric acid n. a colourless fuming acid, HClO₄, that contains chlorine in its highest oxidation state and is a powerful oxidizing agent.

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the world > matter > chemistry > chemical substances > acids > [noun] > acids-named > containing halogen > chlorine > perchloric acid

oxychloric acid1814

perchloric acid1817

1817 T. Thomson Syst. Chem. (ed. 5) II. ii. i. 227 Of perchloric acid. This acid has been hitherto examined by Count Von Stadion only.

1866 H. E. Roscoe Lessons Elem. Chem. x. 98 Perchloric acid is one of the most powerful oxidizing agents known.

1906 H. J. H. Fenton Notes Qualitative Anal. (new ed.) 36 Free perchloric acid gives with potassium salts a crystalline ppt. of KClO₄.

1962 Lancet 22 Dec. 1330/2 Tissues were similarly extracted by fourfold homogenisations at 0°C in perchloric acid.

2003 Charleston (W. Va.) Gaz. (Nexis) 2 Feb. 2 a The chemicals included peroxide and perchloric acid, a high corrosive and explosive chemical.

This entry has been updated (OED Third Edition, September 2005; most recently modified version published online March 2022).

单词	perchloric
释义	perchloricadj. Brit. /pəˈklɔːrɪk/, /pəˈklɒrɪk/, U.S. /pərˈklɔrɪk/ Origin: Formed within English, by derivation. Etymons: per- prefix, chloric adj. Etymology: < per- prefix + chloric adj. Compare perchlorate n., and slightly later perchloride n. Chemistry. perchloric acid n. a colourless fuming acid, HClO₄, that contains chlorine in its highest oxidation state and is a powerful oxidizing agent. ΘΚΠ the world > matter > chemistry > chemical substances > acids > [noun] > acids-named > containing halogen > chlorine > perchloric acid oxychloric acid1814 perchloric acid1817 1817 T. Thomson Syst. Chem. (ed. 5) II. ii. i. 227 Of perchloric acid. This acid has been hitherto examined by Count Von Stadion only. 1866 H. E. Roscoe Lessons Elem. Chem. x. 98 Perchloric acid is one of the most powerful oxidizing agents known. 1906 H. J. H. Fenton Notes Qualitative Anal. (new ed.) 36 Free perchloric acid gives with potassium salts a crystalline ppt. of KClO₄. 1962 Lancet 22 Dec. 1330/2 Tissues were similarly extracted by fourfold homogenisations at 0°C in perchloric acid. 2003 Charleston (W. Va.) Gaz. (Nexis) 2 Feb. 2 a The chemicals included peroxide and perchloric acid, a high corrosive and explosive chemical. This entry has been updated (OED Third Edition, September 2005; most recently modified version published online March 2022). < adj.1817
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