Definition of sulphonic acid in English:

sulphonic acid

Line breaks: sul|phon¦ic acid
Pronunciation: /sʌlˈfɒnɪk
(also sulfonic acid)


  • An organic acid containing the group —SO2OH.
    More example sentences
    • Taurine (2-aminoethanesulfonic acid) is different from other amino acids in that it contains a sulfonic acid group in place of the carboxylic acid group, and it is not incorporated into proteins.
    • They would presumably have familiarity with the published work prior to the 152 Patent and realise that no solvents other than sulphonic acids seem to work.
    • About 5 g poly + RNA from each sample was loaded on a 1% formaldehyde agarose gel and run in 1x 3 - (N-morpholino) propane sulfonic acid plus 4% formaldehyde running buffer.

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Word of the day skosh
Pronunciation: skəʊʃ
a small amount; a little