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AMBIENTUM BIOETHICA BIOLOGIA CHEMIA DIGITALIA DRAMATICA EDUCATIO ARTIS GYMNAST. ENGINEERING EPHEMERIDES EUROPAEA GEOGRAPHIA GEOLOGIA HISTORIA HISTORIA ARTIUM INFORMATICA IURISPRUDENTIA MATHEMATICA MUSICA NEGOTIA OECONOMICA PHILOLOGIA PHILOSOPHIA PHYSICA POLITICA PSYCHOLOGIA-PAEDAGOGIA SOCIOLOGIA THEOLOGIA CATHOLICA THEOLOGIA CATHOLICA LATIN THEOLOGIA GR.-CATH. VARAD THEOLOGIA ORTHODOXA THEOLOGIA REF. TRANSYLVAN
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STUDIA CHEMIA - Ediţia nr.3 din 2014 | |||||||
Articol: |
DETERMINATION OF CHLORPYRIFOS IN SURFACE WATER USING SPE-DI-SPME/GC-ECD. Autori: MIRELA MICLEAN, LĂCRIMIOARA ŞENILĂ, OANA CADAR, MARIUS ROMAN, ERIKA LEVEI, CLAUDIU TĂNĂSELIA, CORNELIA MAJDIK. |
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Rezumat:
In this study a combined extraction method was performed for analysis of chlorpyrifos in surface water samples (Somes and Aries rivers and Tarnita Lake) collected in Cluj County, Romania, namely: solid phase extraction (SPE) and solid-phase microextraction (SPME) with direct immersion of the fiber, followed by gas chromatography – electron capture detection (GC-ECD). The target compound was detected in water samples collected from Somes and Aries rivers in concentrations exceeding the maximum admitted concentration (MAC) set by Romanian legislation, but lower than the MAC set by USEPA water quality criteria. The used method represents a very sensitive, simple and fast technique, easy to use, allowing the simultaneous sample extraction and analyte enrichment. Keywords: chlorpyrifos, SPE, SPME, GC-ECD, surface water
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