Zeller SG, Griesgraber GW, Gray GR. Analysis of positions of substitution of O-carboxymethyl groups in partially O-carboxymethylated cellulose by the reductive-cleavage method.
Carbohydr Res 1991;
211:41-5. [PMID:
1773431 DOI:
10.1016/0008-6215(91)84144-4]
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Abstract
A method is described for the analysis of positions of substitution of O-carboxylated groups in commercial samples of O-carboxymethylcellulose. Sequential permethylation of the polymer and reductive cleavage gives eight products, which are analyzed as their O-acetyl derivatives by gas-liquid chromatography.
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