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Surface analysis of explosion pulps by ESCA. 2. Oxygen (1s) and sulfur (2p) spectra

Wood science and technology, 1993-11, Vol.28 (1), p.1-8 [Peer Reviewed Journal]

ISSN: 0043-7719 ;EISSN: 1432-5225

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  • Title:
    Surface analysis of explosion pulps by ESCA. 2. Oxygen (1s) and sulfur (2p) spectra
  • Author: Hua, X ; Kaliaguine, S ; Kokta, B.V ; Adnot, A
  • Subjects: oxygen ; Populus tremuloides ; spectral analysis ; sulfur ; wood pulp
  • Is Part Of: Wood science and technology, 1993-11, Vol.28 (1), p.1-8
  • Description: The oxygen (1s) ESCA peak for aspen explosion pulp consists of two components, O1 and O2. A tentative assignment was made for them. O1 with lower binding energy is assigned to oxygen in lignin; while O2 comes mainly from the oxygen elements in carbohydrates. Thus, an O1 area percentage might be viewed as a measure of lignin exposed on the fiber surface. Sulfur (2p) spectra show that the sulfur on the fiber surface of the pulps studied here is in the form of sulfonate groups. Compared to conventional pulps, the lower percentage of O1 and higher sulfur-to-carbon ratio for explosion pulps imply higher number of hydrophilic groups exposed on their fiber surface.
  • Language: English
  • Identifier: ISSN: 0043-7719
    EISSN: 1432-5225
  • Source: Alma/SFX Local Collection
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