persulphatepersulfaten.

Brit.

/pəˈsʌlfeɪt/, U.S.

/pərˈsəlˌfeɪt/

Forms: 1800s– persulphate, 1800s– persulfate (U.S.).

Origin: Formed within English, by derivation. Etymons: per- prefix, sulphate n.

Etymology: < per- prefix + sulphate n. Compare French persulfate (1829 or earlier).

Chemistry.

Originally: a sulphate containing a high proportion of sulphate ions. Now: a salt or ester of persulphuric acid.

ΘΚΠ

the world > matter > chemistry > chemical substances > acids > [noun] > acid radicals

persulphate1813

suberyl1836

nitrion1868

stearyl1868

nitroxyl1871

nitro group1877

haloacyl1951

mevalonate1957

1813 tr. J. J. Berzelius in Ann. Philos. 2 452 If instead of the sulphate of iron we were to make choice of the persulphate of iron.

1874 A. B. Garrod & E. B. Baxter Essentials Materia Medica (ed. 4) 39 A mixed solution of sulphate and persulphate of iron.

1907 Westm. Gaz. 21 Sept. 14/2 Choose a reducer that attacks the extremely dense parts, such as the persulphate reducer.

1980 Daily Tel. 9 June 2/6 Persulphates increase water content and improve the elasticity of dough.

1990 Nucleic Acids Res. 18 378/1 Add 1/100 vol. of 10% ammonium persulfate and 1/1000 vol. TEMED, and let polymerize for 30 min.

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

单词	persulphate
释义	persulphatepersulfaten. Brit. /pəˈsʌlfeɪt/, U.S. /pərˈsəlˌfeɪt/ Forms: 1800s– persulphate, 1800s– persulfate (U.S.). Origin: Formed within English, by derivation. Etymons: per- prefix, sulphate n. Etymology: < per- prefix + sulphate n. Compare French persulfate (1829 or earlier). Chemistry. Originally: a sulphate containing a high proportion of sulphate ions. Now: a salt or ester of persulphuric acid. ΘΚΠ the world > matter > chemistry > chemical substances > acids > [noun] > acid radicals persulphate1813 suberyl1836 nitrion1868 stearyl1868 nitroxyl1871 nitro group1877 haloacyl1951 mevalonate1957 1813 tr. J. J. Berzelius in Ann. Philos. 2 452 If instead of the sulphate of iron we were to make choice of the persulphate of iron. 1874 A. B. Garrod & E. B. Baxter Essentials Materia Medica (ed. 4) 39 A mixed solution of sulphate and persulphate of iron. 1907 Westm. Gaz. 21 Sept. 14/2 Choose a reducer that attacks the extremely dense parts, such as the persulphate reducer. 1980 Daily Tel. 9 June 2/6 Persulphates increase water content and improve the elasticity of dough. 1990 Nucleic Acids Res. 18 378/1 Add 1/100 vol. of 10% ammonium persulfate and 1/1000 vol. TEMED, and let polymerize for 30 min. This entry has been updated (OED Third Edition, December 2005; most recently modified version published online March 2022). < n.1813
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