Extraction and derivatization of chemical weapons convention relevant aminoalcohols on magnetic cation-exchange resins
| العنوان: | Extraction and derivatization of chemical weapons convention relevant aminoalcohols on magnetic cation-exchange resins |
|---|---|
| المؤلفون: | Sridhar Chinthakindi, Vijay Tak, Varoon Singh, Prabhat Garg, Devendra K. Dubey |
| المصدر: | Journal of chromatography. A. 1329 |
| سنة النشر: | 2013 |
| مصطلحات موضوعية: | chemistry.chemical_classification, Chromatography, Ion exchange, Organic Chemistry, Extraction (chemistry), Solid Phase Extraction, Poison control, General Medicine, Sulfonic acid, Divinylbenzene, Biochemistry, Amino Alcohols, Gas Chromatography-Mass Spectrometry, Analytical Chemistry, Styrene, chemistry.chemical_compound, Magnetics, chemistry, Cations, Spectroscopy, Fourier Transform Infrared, Microscopy, Electron, Scanning, Adsorption, Cation Exchange Resins, Gas chromatography–mass spectrometry, Derivatization |
| الوصف: | Analysis and identification of nitrogen containing aminoalcohols is an integral part of the verification analysis of chemical weapons convention (CWC). This study was aimed to develop extraction and derivatization of aminoalcohols of CWC relevance by using magnetic dispersive solid-phase extraction (MDSPE) in combination with on-resin derivatization (ORD). For this purpose, sulfonated magnetic cation-exchange resins (SMRs) were prepared using magnetite nanoparticles as core, styrene and divinylbenzene as polymer coat and sulfonic acid as acidic cation exchanger. SMRs were successfully employed as extractant for targeted basic analytes. Adsorbed analytes were derivatized with hexamethyldisilazane (HMDS) on the surface of extractant. Derivatized (silylated) compounds were analyzed by GC-MS in SIM and full scan mode. The linearity of the method ranged from 5 to 200ngmL(-1). The LOD and LOQ ranged from 2 to 6ngmL(-1) and 5 to 19ngmL(-1) respectively. The relative standard deviation for intra-day repeatability and inter-day intermediate precision ranged from 5.1% to 6.6% and 0.2% to 7.6% respectively. Recoveries of analytes from spiked water samples from different sources varied from 28.4% to 89.3%. Language: en |
| تدمد: | 1873-3778 |
| URL الوصول: | https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7736f5aeb0efd75f35b88ffe0f7e8f2b https://pubmed.ncbi.nlm.nih.gov/24418235 |
| Rights: | CLOSED |
| رقم الانضمام: | edsair.doi.dedup.....7736f5aeb0efd75f35b88ffe0f7e8f2b |
| قاعدة البيانات: | OpenAIRE |
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