persulphidepersulfiden.

Brit.

/pəˈsʌlfʌɪd/, U.S.

/pərˈsəlˌfaɪd/

Forms: 1800s– persulphide, 1900s– persulfide (U.S.).

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

Etymology: < per- prefix + sulphide n. Compare earlier persulphuret n.

Chemistry.

A sulphide containing the highest possible proportion of sulphur.

ΘΚΠ

the world > matter > chemistry > elements and compounds > metals > specific elements > sulphur > [noun] > compounds > sulphides > persulphuret

persulphuret1833

persulphide1852

1852 T. Graham & R. Bridges Elem. Chem. 308 Supposing the persulphide of potassium to be a pure bisulphide, then HCl and KS₂ = HS₂ and KCl.

1898 Science 30 Sept. 418/2 He electrolyzed the alkali salts of dithio-acids and obtained persulphides of the acids.

1922 Science 20 Jan. 79/1 Zinc persulfides are stable compounds and vulcanize rubber..far more rapidly than ordinary sulfur.

1976 Philos. Trans. (Royal Soc.) B. 273 98 Do you have evidence for sulphur incorporation into the trisulphide or persulphide to validate one of your hypotheses?

2001 Proc. National Acad. Sci. U.S.A. 98 14752/1 IscS..mobilizes S through the desulfurization of l-cysteine to yield alanine and an IscS-bound persulfide.

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

单词	persulphide
释义	persulphidepersulfiden. Brit. /pəˈsʌlfʌɪd/, U.S. /pərˈsəlˌfaɪd/ Forms: 1800s– persulphide, 1900s– persulfide (U.S.). Origin: Formed within English, by derivation. Etymons: per- prefix, sulphide n. Etymology: < per- prefix + sulphide n. Compare earlier persulphuret n. Chemistry. A sulphide containing the highest possible proportion of sulphur. ΘΚΠ the world > matter > chemistry > elements and compounds > metals > specific elements > sulphur > [noun] > compounds > sulphides > persulphuret persulphuret1833 persulphide1852 1852 T. Graham & R. Bridges Elem. Chem. 308 Supposing the persulphide of potassium to be a pure bisulphide, then HCl and KS₂ = HS₂ and KCl. 1898 Science 30 Sept. 418/2 He electrolyzed the alkali salts of dithio-acids and obtained persulphides of the acids. 1922 Science 20 Jan. 79/1 Zinc persulfides are stable compounds and vulcanize rubber..far more rapidly than ordinary sulfur. 1976 Philos. Trans. (Royal Soc.) B. 273 98 Do you have evidence for sulphur incorporation into the trisulphide or persulphide to validate one of your hypotheses? 2001 Proc. National Acad. Sci. U.S.A. 98 14752/1 IscS..mobilizes S through the desulfurization of l-cysteine to yield alanine and an IscS-bound persulfide. This entry has been updated (OED Third Edition, December 2005; most recently modified version published online March 2022). < n.1852
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