perboricadj.

Brit.

/pəˈbɔːrɪk/,

/pəˈbɒrɪk/, U.S.

/pərˈbɔrɪk/

Origin: Formed within English, by derivation; modelled on a French lexical item. Etymons: per- prefix, boric adj.

Etymology: < per- prefix + boric adj., after French perborique (A. Étard 1880, in Comptes Rendus hebd. de l'Acad. des Sci. 91 931). Compare earlier perborate n.

Chemistry.

perboric acid n. the supposed parent acid of the perborates, to which the formula HBO₃ was formerly ascribed, and which is known only in acidic solutions containing perborate anions.

ΘΚΠ

the world > matter > chemistry > chemical substances > acids > [noun] > acids-named > other named acids

Stygian water1638

mineral acid1700

vague acid1741

manganesic acid1789

caseic acid1810

botulinic acid1832

mechloic acid1836

dialuric acid1839

sericic acid1841

allanturic acid1842

allituric acid1846

ricinostearic acid1849

ricinolic acid1851

cellulic acid1859

digitalinic acid1861

carbonic acid1867

perboric acid1881

mechlorinic acid1890

nitrolic acid1892

perrhenic acid1929

rhenic acid1931

pertechnetic acid1962

1881 Chem. News 14 Jan. 25/2 Whilst an equimolar mixture of magnesium sulphate, ammonium chloride, and ammonia is not rendered turbid either by oxygenated water or by boric acid, a mixture of the two precipitate it abundantly, acting as perboric acid.

1924 J. W. Mellor Comprehensive Treat. Inorg. & Theoret. Chem. V. xxxii. 116 Perboric acid itself has not been made... In ethereal soln. and an excess of hydrogen peroxide, the partition coeff. of boric acid increases a little corresponding with the formation of free perboric acid in the etheral soln.

1988 Biochimica Biophysica Acta 952 20 Both boric acid and perboric acid existing in equilibrium in the presence of hydrogen peroxide bind competitively at the active site of the enzyme.

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

单词	perboric
释义	perboricadj. Brit. /pəˈbɔːrɪk/, /pəˈbɒrɪk/, U.S. /pərˈbɔrɪk/ Origin: Formed within English, by derivation; modelled on a French lexical item. Etymons: per- prefix, boric adj. Etymology: < per- prefix + boric adj., after French perborique (A. Étard 1880, in Comptes Rendus hebd. de l'Acad. des Sci. 91 931). Compare earlier perborate n. Chemistry. perboric acid n. the supposed parent acid of the perborates, to which the formula HBO₃ was formerly ascribed, and which is known only in acidic solutions containing perborate anions. ΘΚΠ the world > matter > chemistry > chemical substances > acids > [noun] > acids-named > other named acids Stygian water1638 mineral acid1700 vague acid1741 manganesic acid1789 caseic acid1810 botulinic acid1832 mechloic acid1836 dialuric acid1839 sericic acid1841 allanturic acid1842 allituric acid1846 ricinostearic acid1849 ricinolic acid1851 cellulic acid1859 digitalinic acid1861 carbonic acid1867 perboric acid1881 mechlorinic acid1890 nitrolic acid1892 perrhenic acid1929 rhenic acid1931 pertechnetic acid1962 1881 Chem. News 14 Jan. 25/2 Whilst an equimolar mixture of magnesium sulphate, ammonium chloride, and ammonia is not rendered turbid either by oxygenated water or by boric acid, a mixture of the two precipitate it abundantly, acting as perboric acid. 1924 J. W. Mellor Comprehensive Treat. Inorg. & Theoret. Chem. V. xxxii. 116 Perboric acid itself has not been made... In ethereal soln. and an excess of hydrogen peroxide, the partition coeff. of boric acid increases a little corresponding with the formation of free perboric acid in the etheral soln. 1988 Biochimica Biophysica Acta 952 20 Both boric acid and perboric acid existing in equilibrium in the presence of hydrogen peroxide bind competitively at the active site of the enzyme. This entry has been updated (OED Third Edition, September 2005; most recently modified version published online March 2022). < adj.1881
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