Titration of thiol groups in non-aqueous solvents.
Thiols are titrated in acetone or dimethylformamide with sodium methoxide, employing visual end-point detection with Thymol Blue, Victoria Blue, p-hydroxyazobenzene or Azo Violet. Aromatic thiols are titrated in the presence of aliphatic thiols in acetone, with Thymol Blue as indicator.
Verma
K K
KK
Department of Chemistry, Government Science College, Jabalpur 482001, India.