Comparison testing of methods for gel permeation chromatography of cellulose: coming closer to a standard protocol

A round robin on GPC of a wide range of different pulp samples was conducted among leading groups in cellulose analysis. The aim was to survey the status quo of the methods available to date. The pulp samples covered not only fully-bleached dissolving pulps but also bleached paper pulps and one unbl...

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Bibliographic Details
Published in:Cellulose (London) 2015-06, Vol.22 (3), p.1591-1613
Main Authors: Potthast, Antje, Radosta, Sylvia, Saake, Bodo, Lebioda, Sascha, Heinze, Thomas, Henniges, Ute, Isogai, Akira, Koschella, Andreas, Kosma, Paul, Rosenau, Thomas, Schiehser, Sonja, Sixta, Herbert, Strlič, Matija, Strobin, Grazyna, Vorwerg, Waltraud, Wetzel, Hendrik
Format: Article
Language:English
Subjects:
algorithms
Bioorganic Chemistry
Bleaching
Cellulose
Ceramics
Chemistry
Chemistry and Materials Science
Composites
derivatization
detectors
Dissolution
gel chromatography
Glass
Light scattering
Liquid chromatography
Natural Materials
Organic Chemistry
Original Paper
Physical Chemistry
Polymer Sciences
pulp
Sampling methods
solvents
Sustainable Development
Test procedures
viscometry
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Summary:A round robin on GPC of a wide range of different pulp samples was conducted among leading groups in cellulose analysis. The aim was to survey the status quo of the methods available to date. The pulp samples covered not only fully-bleached dissolving pulps but also bleached paper pulps and one unbleached sample. The methods applied were current state-of-the-art GPC with RI, MALLS, and viscosimetry detectors. Different dissolution protocols were compared as well. Following from the obtained results, more standardized protocols were proposed for approaches with different equipment (RI or MALLS/RI) and solvent systems (direct dissolution or derivatization). Major influencing factors, such as derivatization compared to direct solution, calibration versus light scattering and in-between lab variation, were discussed.
ISSN:0969-0239
1572-882X
DOI:10.1007/s10570-015-0586-2