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Reversed-phase high-performance liquid chromatographic method for the quantitative determination of alkylbis(2-benzothiazolylsulfen)amides |
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| Authors: | Magdalena tolcov , Alexander Kaszonyi, Milan Hronec,Tibor Liptaj |
| Affiliation: | a Department of Organic Technology, Slovak Technical University, Radlinského 9, 812 37, Bratislava, Slovak Republic b Central Laboratories of the Chemical Faculty, Slovak Technical University, Radlinského 9, 812 37, Bratislava, Slovak Republic |
| Abstract: | An isocratic, reversed-phase HPLC procedure was developed for the simultaneous determination of isopropyl-, tert.-butyl-, tert.-amyl-, cyclohexylbis(2-benzothiazolylsulfen)amides. Quantitation is performed on a C18 bonded-phase column (Separon SGX C18 5 μm) using N-dicyclohexyl-2-benzothiazolesulfenamide as internal standard followed by UV photodiode-array detection. The precision (n = 7) for all derivatives of alkylbis(2-benzothiazolylsulfen)amides is within 1.5%. Identification of the compounds also in the mixtures was done by NMR spectroscopy. |
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