English-Thai Dictionary
sulphonic
A ประกอบด้วย ธาตุ SO3H
Webster's 1913 Dictionary
SULPHONIC
SULPHONIC Sul *phon "ic, a. (Chem. )
Defn: 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.
Oxford Dictionary
sulphonic acid
sulphonic acid |sʌlˈfɒnɪk |(US sulfonic acid ) ▶noun Chemistry an organic acid containing the group −SO 2 OH.