Determination of thioacetamide and thiobenzamide using dichloramine-T

V. M. Sadagopa Ramanujam, Netkal M. Made Gowda, Norman M. Trieff

    Research output: Contribution to journalArticlepeer-review

    3 Scopus citations


    Simple and accurate titrimetric methods for the determination of thioacetamide and thiobenzamide in partially aqueous media have been developed, based on their stoicheiometric oxidation with dichloramine-T (DCT) at room temperature. The direct titration of the thioamide with DCT involves a two-electron change, giving a carboxylic acid, ammonia and sulphur as oxidation products with p-toluenesulphonamide as the reduction product of DCT. A back-titration procedure involving the oxidation of thioacetamide to acetic acid, ammonium sulphate and sulphur by excess of DCT with a five-electron change has also been developed. The methods described are simple, rapid, reproducible and accurate. The reaction products have been identified by thin-layer and paper chromatography and colour tests.

    Original languageEnglish (US)
    Pages (from-to)873-876
    Number of pages4
    JournalThe Analyst
    Issue number1254
    StatePublished - 1980


    • Dichloramine-T
    • Oxidimetric titrations
    • Thioamide determination

    ASJC Scopus subject areas

    • Analytical Chemistry
    • Biochemistry
    • Environmental Chemistry
    • Spectroscopy
    • Electrochemistry


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