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Indirect spectrophotometric determination of ascorbic acid with ferrozine by flow-injection analysis

✍ Scribed by A Molina-Dı́az; I Ortega-Carmona; M.I Pascual-Reguera

Book ID
117224577
Publisher
Elsevier Science
Year
1998
Tongue
English
Weight
113 KB
Volume
47
Category
Article
ISSN
0039-9140

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✍ J. Hernández-Méndez; A.Alonso Mateos; M.J.Almendral Parra; C.García De María 📂 Article 📅 1986 🏛 Elsevier Science 🌐 English ⚖ 503 KB

A method is proposed for the flow-injection determination of ascorbic acid (0.1-40 pg ml-'). Iodine is generated in the flow system as triiodide ion or the triiodide/starch complex giving a steady spectrophotometric signal at 350 or 580 nm, respectively; inverse peaks caused by ascorbic acid samples