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Flow-injection successive determination of cysteine and cystine in pharmaceutical preparations

✍ Scribed by Tomás Pérez-Ruiz; Carmen Martínez-Lozano; Virginia Tomás; Gabriel Lambertos


Book ID
118995804
Publisher
Elsevier Science
Year
1991
Tongue
English
Weight
492 KB
Volume
38
Category
Article
ISSN
0039-9140

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A flow-injection configuration for the fluorometric determination of Novalgin (dipyrone) is proposed. The procedure is based on the oxidation of Novalgin by cerium(IV). The fluorescence native of cerium(III) formed in the oxidation of Novalgin is monitored. Lineal calibration graphs were obtained be

Flow-injection fluorimetric determinatio
✍ T. Pérez Ruiz; C. Martínez-Lozano; V. Tomás; C. Sidrach de Cardona 📂 Article 📅 1996 🏛 Elsevier Science 🌐 English ⚖ 402 KB

Two flow-injection methods for the fluorimetric determination of penicillamine and tiopronin are proposed. The procedures are based on the oxidation of these drugs by thallium(III). In hydrochloric acid medium the fluorescence of thallium(I) formed in the oxidation of penicillamine or tiopronin is m