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Analizės metodų taikymas migracijos procesui iš polimerinių medžiagų tirti / Analyticals researchs methods of polymers migration

Evaluation of solid-phase microextraction as an alternative official method for analysis of polymers migration. The objective this study was to compaire the official methods with solid-phase microextraction (SPME)for the analysis of compounds migrating from cross-linked polyethylene into water. A medium polarity polydimethylsiloxane/divinylbenzene (PDMS/DVB)was proved most efficient for the SPME extraction. However, when applied to water samples in contact with polyethylene, SPME proved to be immensely more sensitive and have a greater extraction range than liquid-liquid extraction (LLE). It was proved the migration of Phenol, 2,4-bis(1,1-dimethylethyl). Concentration of this compound 0,6-0,15mg/l.It was proved the migration of Cyclohexadiene-1,4-dione, 2,6-bis(1,1-dimethylethyl).

Identiferoai:union.ndltd.org:LABT_ETD/oai:elaba.lt:LT-eLABa-0001:E.02~2006~D_20060627_145029-14194
Date27 June 2006
CreatorsČirbulytė, Jolanta
ContributorsSavickas, Arūnas, Janulis, Valdimaras, Petkevičie, Jadvyga, Savickienė, Nijolė, Kaunas University of Medicine
PublisherLithuanian Academic Libraries Network (LABT), Kaunas University of Medicine
Source SetsLithuanian ETD submission system
LanguageLithuanian
Detected LanguageEnglish
TypeMaster thesis
Formatapplication/pdf
Sourcehttp://vddb.library.lt/obj/LT-eLABa-0001:E.02~2006~D_20060627_145029-14194
RightsUnrestricted

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