单词 | persulphate |
释义 | persulphate/pəˈsʌlfeɪt/(also persulfate) Chemistry noun Originally: a sulphate containing a high proportion of sulphate ions. Now: a salt or ester of persulphuric acid. OriginEarly 19th century; earliest use found in Annals of Philosophy. From per- + sulphate. |
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