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Sequential injection system for the spectrophotometric determination of reducing sugars in wines

✍ Scribed by Alberto N. Araújo; José L.F.C. Lima; António O.S.S. Rangel; Marcela A. Segundo

Book ID
117225205
Publisher
Elsevier Science
Year
2000
Tongue
English
Weight
99 KB
Volume
52
Category
Article
ISSN
0039-9140

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Spectrophotometric flow-injection method
Spectrophotometric flow-injection method for determination of sorbic acid in wines
✍ A. Rivero Molina; E. Vereda Alonso; M. T. Siles Cordero; A. García de Torres; J. 📂 Article 📅 1999 🏛 John Wiley and Sons 🌐 English ⚖ 121 KB 👁 2 views

A simple, rapid, and accurate spectrophotometric flow-injection method was developed for the determination of sorbic acid in wines based on the oxidation of sorbic acid with K 2 Cr 2 O 7 /H 2 SO 4 at 100ЊC, followed by reaction of the resulting malonaldehyde with thiobarbituric acid, also at 100ЊC,