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Determination of the degree of N-acetylation (DA) of chitin and chitosan in the presence of water by first derivative ATR FTIR spectroscopy

✍ Scribed by Stephan Beil; Anna Schamberger; Wolfgang Naumann; Susanne Machill; Karl-Heinz van Pée

Book ID
113514741
Publisher
Elsevier Science
Year
2012
Tongue
English
Weight
621 KB
Volume
87
Category
Article
ISSN
0144-8617

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✍ Ricardo M. P. da Silva; João F. Mano; Rui L. Reis 📂 Article 📅 2008 🏛 John Wiley and Sons 🌐 English ⚖ 384 KB

## Abstract First‐derivative UV spectrophotometry is shown to be a reliable method for the determination of the degree of __N‐__acetylation of chitosan samples. A mathematical expression is derived that allows to determine the DA directly from the mass concentration of a chitosan solution and the f