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sulphonic |
1 definition found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Sulphonic \Sul*phon"ic\, a. (Chem.) Pertaining to or derived from a sulphone; -- used specifically to designate any one of a series of acids (regarded as acid ethereal salts of sulphurous acid) obtained by the oxidation of the mercaptans, or by treating sulphuric acid with certain aromatic bases (as benzene); as phenyl sulphonic acid, {C6H5.SO2.OH}, a stable colorless crystalline substance. {Sulphonic group} (Chem.), the hypothetical radical, {SO2.OH}, the characteristic residue of sulphonic acids.
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