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Simultaneous flow injection determination of ascorbic acid and cysteine using double flow cell

✍ Scribed by Norio Teshima; Takuya Nobuta; Tadao Sakai


Book ID
108303933
Publisher
Elsevier Science
Year
2001
Tongue
English
Weight
129 KB
Volume
438
Category
Article
ISSN
0003-2670

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Spectrophotometric flow-injection determ
✍ 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