Cellulose crystallinity and ordering of hemicelluloses in pine and birch pulps as revealed by solid-state NMR spectroscopic methods

@article{Liiti2003CelluloseCA,
  title={Cellulose crystallinity and ordering of hemicelluloses in pine and birch pulps as revealed by solid-state NMR spectroscopic methods},
  author={Tiina Liiti{\"a} and Sirkka Liisa Maunu and B. O. Hortling and Tarja Tamminen and Osmo Pekkala and Antero Varhimo},
  journal={Cellulose},
  year={2003},
  volume={10},
  pages={307-316}
}
Solid-state 13C NMR spectroscopy was used to determine the degree of cellulose crystallinity (CrI) in kraft, flow-through kraft and polysulphide–anthraquinone (PS–AQ) pulps of pine and birch containing various amounts of hemicelluloses. The applicability of acid hydrolysis and the purely spectroscopic proton spin-relaxation based spectral edition (PSRE) method to remove the interfering hemicellulose signals prior to the determination of CrI were also compared. For softwood pulps, the… CONTINUE READING

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