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On the Nature of Carbonyl Groups in Cellulosic Pulps

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Abstract

Apart from the reducing end groups, most celluloses contain small amounts of carbonyl groups in the μmol/g range, which are introduced into the material by a variety of preparation, processing and purification steps. By a combination of carbonyl-selective fluorescence labeling (CCOA method) and UV resonance Raman spectroscopy it was demonstrated that carbonyls in celluloses are not only present as a C=O structure with an sp2-hybridized carbon, but also to a significant extent in sp3-hybridized form as hydrates or hemiacetals.

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Potthast, A., Rosenau, T., Kosma, P. et al. On the Nature of Carbonyl Groups in Cellulosic Pulps. Cellulose 12, 43–50 (2005). https://doi.org/10.1023/B:CELL.0000049347.01147.3d

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  • DOI: https://doi.org/10.1023/B:CELL.0000049347.01147.3d

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