Vaca-Garcia, Carlos
and Borredon, Marie-Elisabeth and Gaset, Antoine
Determination of the degree of substitution (DS) of mixed cellulose esters by elemental analysis.
(2001)
Cellulose, 8 (3). 225-231. ISSN 1572-882X
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(Document in English)
PDF (Author's version) - Requires a PDF viewer such as GSview, Xpdf or Adobe Acrobat Reader 114kB |
Official URL: http://doi.org/10.1023/A:1013133921626
Abstract
Equations for transforming the results of elemental analysis (EA) into degree of substitution (DS) values for aliphatic cellulose esters were developed. The equations allow to determine the DS of cellulose derivatives bearing not only one but also two different acyl substituents. Error transmission studies revealed that the accuracy of the DS-values for a pure sample depends on both the number of carbon atoms in the substituents and on the uncertainty of the EA, especially from the hydrogen content. This method provides accurate DS-values (± 0.10 in most cases) if H-content determinations are within ± 0.1%
| Item Type: | Article |
|---|---|
| Additional Information: | The original publication is available on http://www.springerlink.com/content/100153/?p=b8f56ca5322a4602b3615038165f6852&pi=0 |
| Audience (journal): | International peer-reviewed journal |
| Uncontrolled Keywords: | |
| Institution: | French research institutions > Institut National de la Recherche Agronomique - INRA (FRANCE) Université de Toulouse > Institut National Polytechnique de Toulouse - Toulouse INP (FRANCE) |
| Laboratory name: | |
| Statistics: | download |
| Deposited On: | 06 Feb 2008 16:16 |
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