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Potentiometric determination of urea with perchloric acid in acetic anhydride

✍ Scribed by Turgut Gündüz; Selahattin Yilmaz

Book ID
116069490
Publisher
Elsevier Science
Year
1994
Tongue
English
Weight
377 KB
Volume
41
Category
Article
ISSN
0039-9140

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📜 SIMILAR VOLUMES

A simple and specific determination of k
A simple and specific determination of ketohexoses with urea and perchloric acid
✍ Ken Tsutsui; Terukazu Tanaka; Takuzo Oda 📂 Article 📅 1977 🏛 Elsevier Science 🌐 English ⚖ 432 KB

A blue color develops when ketohexoses or sugars which liberate ketohexoses upon hydrolysis are heated in the presence of a strong acid and concentrated urea. Among the acids tested, perchloric acid produced the most intense and stable color. The absorption maximum (605 nm) was specific for ketohexo