A thermometric method for determination of thlols in non-aqueous media. Comparison with other methods |
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| Affiliation: | 1. Instituto de Ciência e Tecnologia de Alimentos, Universidade Federal do Rio Grande do Sul, 91501-970 Porto Alegre, Rio Grande do Sul, Brazil;2. Programa de Pós-graduação em Sistemas e Processos Industriais, Universidade de Santa Cruz do Sul, 96815-900 Santa Cruz do Sul, RS, Brazil;3. Programa de Pós-Graduação em Tecnologia Ambiental, Universidade de Santa Cruz do Sul, 96815-900 Santa Cruz do Sul, RS, Brazil;4. Departamento de Tecnologia e Ciência dos Alimentos, Universidade Federal de Santa Maria, 97105-900 Santa Maria, RS, Brazil;5. Departamento de Química, Universidade Federal de Santa Maria, 97105-900 Santa Maria, RS, Brazil |
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| Abstract: | A comparison is made between the determination of thiols in non-aqueous media by thermometric titration and two previously stabilised methods, a colour-indicator method and an official electrometric titration one. The study is applied to control the demercuritation of an industrial process. The obviation of the need to regenerate the transductor, which can be handled without any special care, constitutes a substantial advantage of the thermometric technique. |
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