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单词 sulphonate
释义 I. sulphonate, n. Chem.|ˈsʌlfənət|
[See sulphonic and -ate4.]
A salt of sulphonic acid.
1876Jrnl. Chem. Soc. I. 726 Sulphates almost entirely disappeared from the urine, their place being taken by sulphonates.1883Athenæum 10 Feb. 188/3 By the action of caustic potash on the potassium sulphonate a trihydroxydiphenyl was formed.
II. sulphonate, v.|ˈsʌlfəneɪt|
[f. the n.]
To convert into a sulphonate, as by the action of sulphuric acid. Hence ˈsulphonated ppl. a., ˈsulphonating vbl. n., sulphoˈnation.
1882Jrnl. Chem. Soc. XLII. 196 The author could not obtain the salt ‘A’..by sulphonating pure cymene.1890Athenæum 27 Dec. 893/1 Sulphonation with its concomitant hydrolysis.1902Encycl. Brit. XXVI. 720/2 A sulphonating agent.Ibid. 728/2 Compounds such as dimethylaniline..are chlorinated, sulphonated, &c., without difficulty.Ibid., That sulphonation involves a similar series of changes there can be little if any doubt, as acetanilide behaves towards sulphonating agents just as it does on chlorination.1936,1966[see soapless a. b].1972Materials & Technol. V. 302 By the use of energetic sulphonating agents such as sulphur trioxide.., fatty acids can be sulphonated at the alpha carbon atom. The sulphonated acids have useful surface-active properties.
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