Reflectance FTIR microspectroscopy for studying effect of xylan removal on unbleached and bleached birch kraft pulps

Matti Ristolainen; Raimo Alen; Petteri Malkavaara; Jaakko Pere

doi:10.1515/HF.2002.079

Reflectance FTIR microspectroscopy for studying effect of xylan removal on unbleached and bleached birch kraft pulps

Matti Ristolainen, Raimo Alen, Petteri Malkavaara, Jaakko Pere

University of Jyväskylä

Research output: Contribution to journal › Article › Scientific › peer-review

20 Citations (Scopus)

Abstract

The effect of the partial removal of xylan on unbleached and bleached birch kraft pulps was investigated by Fourier transform infrared (FTIR) microspectroscopy and the resulting data were analyzed by multivariate data analysis, i.e., principal component analysis (PCA) and maximum likelihood principal component analysis (MLPCA). Isolated model substances (xylan, cellulose and lignin) were used to calibrate these methods. Clear chemical changes in the relative proportions of the main constituents and functional groups on the pulp fiber surface were observed as a function of the amount of xylan removed. In addition, due to the partial removal of xylan, indications of some physical changes were observed.

Original language	English
Pages (from-to)	513-521
Journal	Holzforschung
Volume	56
Issue number	5
DOIs	https://doi.org/10.1515/HF.2002.079
Publication status	Published - 2002
MoE publication type	A1 Journal article-refereed

Keywords

Silver birch
Betula pendula
Kraft pulp
Xylanase treatment
FTIR microspectroscopy
MLPCA
PCA

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10.1515/HF.2002.079

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title = "Reflectance FTIR microspectroscopy for studying effect of xylan removal on unbleached and bleached birch kraft pulps",

abstract = "The effect of the partial removal of xylan on unbleached and bleached birch kraft pulps was investigated by Fourier transform infrared (FTIR) microspectroscopy and the resulting data were analyzed by multivariate data analysis, i.e., principal component analysis (PCA) and maximum likelihood principal component analysis (MLPCA). Isolated model substances (xylan, cellulose and lignin) were used to calibrate these methods. Clear chemical changes in the relative proportions of the main constituents and functional groups on the pulp fiber surface were observed as a function of the amount of xylan removed. In addition, due to the partial removal of xylan, indications of some physical changes were observed.",

keywords = "Silver birch, Betula pendula, Kraft pulp, Xylanase treatment, FTIR microspectroscopy, MLPCA, PCA",

author = "Matti Ristolainen and Raimo Alen and Petteri Malkavaara and Jaakko Pere",

year = "2002",

doi = "10.1515/HF.2002.079",

language = "English",

volume = "56",

pages = "513--521",

journal = "Holzforschung",

issn = "0018-3830",

publisher = "Verlag der {\"O}sterreichischen Akademie der Wissenschaften",

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T1 - Reflectance FTIR microspectroscopy for studying effect of xylan removal on unbleached and bleached birch kraft pulps

AU - Ristolainen, Matti

AU - Alen, Raimo

AU - Malkavaara, Petteri

AU - Pere, Jaakko

PY - 2002

Y1 - 2002

N2 - The effect of the partial removal of xylan on unbleached and bleached birch kraft pulps was investigated by Fourier transform infrared (FTIR) microspectroscopy and the resulting data were analyzed by multivariate data analysis, i.e., principal component analysis (PCA) and maximum likelihood principal component analysis (MLPCA). Isolated model substances (xylan, cellulose and lignin) were used to calibrate these methods. Clear chemical changes in the relative proportions of the main constituents and functional groups on the pulp fiber surface were observed as a function of the amount of xylan removed. In addition, due to the partial removal of xylan, indications of some physical changes were observed.

AB - The effect of the partial removal of xylan on unbleached and bleached birch kraft pulps was investigated by Fourier transform infrared (FTIR) microspectroscopy and the resulting data were analyzed by multivariate data analysis, i.e., principal component analysis (PCA) and maximum likelihood principal component analysis (MLPCA). Isolated model substances (xylan, cellulose and lignin) were used to calibrate these methods. Clear chemical changes in the relative proportions of the main constituents and functional groups on the pulp fiber surface were observed as a function of the amount of xylan removed. In addition, due to the partial removal of xylan, indications of some physical changes were observed.

KW - Silver birch

KW - Betula pendula

KW - Kraft pulp

KW - Xylanase treatment

KW - FTIR microspectroscopy

KW - MLPCA

KW - PCA

U2 - 10.1515/HF.2002.079

DO - 10.1515/HF.2002.079

M3 - Article

SN - 0018-3830

VL - 56

SP - 513

EP - 521

JO - Holzforschung

JF - Holzforschung

IS - 5

ER -

Reflectance FTIR microspectroscopy for studying effect of xylan removal on unbleached and bleached birch kraft pulps

Abstract

Keywords

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