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Multiple headspace single-drop micro-extraction for quantitative determination of lactide in thermally-oxidized polylactide
KTH, School of Chemical Science and Engineering (CHE), Fibre and Polymer Technology, Polymer Technology.ORCID iD: 0000-0002-7790-8987
2010 (English)In: Polymer degradation and stability, ISSN 0141-3910, E-ISSN 1873-2321, Vol. 95, no 3, 270-273 p.Article in journal (Refereed) Published
Abstract [en]

Single-drop micro-extraction (SDME), an emerging micro-extraction technique, was combined with multiple headspace (MHS) extraction to allow quantitative determination of lactide in thermally-oxidized polylactide Different solvents, drop sizes and extraction times were tested to obtain best extraction efficiency and the method was further developed to obtain a linear regression plot for the Multiple extractions. The combination of SDME and MHS extraction offered several advantages over traditional liquid-solid and headspace extraction techniques No concentration step was needed and loss of volatiles was prevented as the ageing and extraction were performed in a closed system Matrix effects, that disturb the quantitation of analytes in solid samples, were removed by the multiple headspace extraction.

Place, publisher, year, edition, pages
2010. Vol. 95, no 3, 270-273 p.
Keyword [en]
Micro-extraction, Polylactide, Degradation product, Single-drop micro-extraction, Multiple headspace extraction
National Category
Polymer Chemistry Polymer Technologies
URN: urn:nbn:se:kth:diva-29930DOI: 10.1016/j.polymdegradstab.2009.11.009ISI: 000275618500003ScopusID: 2-s2.0-75849147399OAI: diva2:398409

QC 20110217. 5th International Conference on Polymer Modification, Degradation and Stabilisation, Liege, BELGIUM, SEP, 2008

Available from: 2011-02-17 Created: 2011-02-17 Last updated: 2016-05-30Bibliographically approved

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