Abstract Preview
This document specifies procedures for the laboratory determination of the total elemental sulfur and the sulfate half-ester content of cellulose nanocrystals (CNCs) by inductively coupled plasma-optical emission spectroscopy and conductometric titration, respectively, including sample preparation, measurement methods and data analysis.
This document is applicable to the characterization of CNCs:
a) with all monovalent counterions (particularly hydronium and sodium cations);
b) which are either in the never-dried state in aqueous suspension, or have been redispersed from a dried form; and
c) which have been extracted from any naturally occurring cellulose source using a range of sulfuric acid hydrolysis conditions, or have been sulfated post-hydrolysis using sulfuric acid.
General information
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Status : PublishedPublication date : 2018-12
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Edition : 1Number of pages : 26
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- ICS :
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Pulps
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