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词汇 peroxo-
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peroxo-

prefix

a variant form of peroxy-

peroxy- or (esp for inorganic compounds) peroxo-

combining form

indicating the presence of the peroxide group, -O–O- peroxysulphuric acid Also (not in technical usage): per-
peroxo(-), prefix and quasi-a. Chem.|pəˈrɒksəʊ|[f. per-1 5 + oxo-): cf. peroxide.]A. prefix. Used in inorganic chemistry in the names of compounds, complexes, etc., that contain a peroxide group. B. Hence as quasi-adj.: containing or being a peroxide group. Cf. peroxy-).peroxy-) is the usual form in organic chemistry.1910Jrnl. Chem. Soc. XCVIII. ii. 858 Tetraethylenediamine-µ-ammoniumperoxocobalticobalte salts.Ibid. 869 On heating with concentrated sulphuric acid, it is decomposed with evolution of oxygen and nitrogen, the volumes of these gases obtained showing that the compound contains a peroxo-group and tervalent and quadrivalent cobalt.1930Chem. Abstr. XXIV. 2672 In the presence of air and light, peroxo compds. possessing unusual oxidizing powers are produced in addn. to the usual Fe+++ and Fe++ complex ions.1943Thorne & Roberts tr. Ephraim's Inorg. Chem. (ed. 4) xi. 321 The simplest..of the multinucleate cobaltammines are the peroxo-salts [(NH3)5Co{b1}O{b1}O{b1}Co(NH3)5]X4.1959R. S. Cahn Introd. Chem. Nomencl. 19 Peroxoacids, in which {b1}O{b1} is replaced by {b1}O·O{b1}, are similarly distinguished by the prefix peroxo- (peroxy- or simply per- have frequently been used in the past), as, for example, in HNO4 peroxonitric acid.1960Heslop & Robinson Inorg. Chem. xxxvii. 527 There are two peroxo-acids of sulphur, H2S2O8, peroxodisulphuric acid, and H2SO5, peroxomonosulphuric acid.1966Cotton & Wilkinson Adv. Inorg. Chem. (ed. 2) xiii. 376 The peroxo acids are useful oxidants and sources of free radicals.1971Nomencl. Inorg. Chem. (I.U.P.A.C.) (ed. 2) 33 The prefix peroxo-, when used in conjunction with the trivial names of acids, indicates substitution of {b1}O{b1} by {b1}O{b1}O{b1}.1973[see perboric a.].
peroxo- /pəˈrɒksəʊ/ combining form. Also as attrib. adjective peroxo.
ORIGIN: from per-1 + oxo-.
Chemistry. Designating or containing a peroxide group.
 NOTE  peroxy- is the usual form in organic chemistry.
 DERIVATIVE peroxoˈsulphate noun a salt of a peroxosulphuric acid L20.
peroxosulˈphuric adjective: peroxosulphuric acid, either of two solid hygroscopic oxyacids of sulphur, H2SO5 and H2S2O8: L20.
peroxo-
combining form
Etymology: International Scientific Vocabulary per- + ox-
: peroxy- — in names of coordination complexes
 < hex-oxo-peroxo-disulfate S2O8-- >
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