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Determination of 2,4,6-trichloroanisole and 2,4,6-tribromoanisole in wine using microextraction in packed syringe and gas chromatography-mass spectrometry
Örebro universitet, Institutionen för naturvetenskap.
Örebro universitet, Institutionen för naturvetenskap.ORCID-id: 0000-0003-4128-8226
Örebro universitet, Institutionen för naturvetenskap.ORCID-id: 0000-0001-6217-8857
2008 (engelsk)Inngår i: Journal of Agricultural and Food Chemistry, ISSN 0021-8561, E-ISSN 1520-5118, Vol. 56, nr 13, s. 4962-4967Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

A selective and fast method for the quantitative determination of 2,4,6-trichloroanisole (TCA) and 2,4,6-tribromoanisole (TBA) in wine was developed. Microextraction in packed syringe (MEPS) was optimized for the extraction and preconcentration of the analytes using extremely small volume samples (0.1-1 mL). For GC-EI-MS, the limit of detection (LOD) for red and white wine was in the range 0.17-0.49 mu g L-1 for TCA and TBA. In addition to GC-EI-MS both GC-NCI-MS and GC-HRMS were used to further improve both selectivity and sensitivity. The lowest LODs were achieved using GC-HRMS in the El mode. In red and white wine samples the LODs were between 0.22-0.75 ng L-1 for TCA and TBA. The reproducibility and linearity for the GC-HRMS method was good, with RSD-values of 4-10% for spiked red wine samples at 1 ng L-1 and linearity with R-2 > 0.962 over a concentration range of 1 to 100 ng L-1.

sted, utgiver, år, opplag, sider
2008. Vol. 56, nr 13, s. 4962-4967
Emneord [en]
microextraction in packed syringe, microextraction in packed sorbent, 2, 4, 6-trichloroanisole, 2, 4, 6-tribromoanisole, wine, gas chromatography-negative chemical ionization mass spectrometry, gas chromatography-high-resolution mass spectrometry
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Kemi
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URN: urn:nbn:se:oru:diva-13578DOI: 10.1021/jf800230yISI: 000257335400011OAI: oai:DiVA.org:oru-13578DiVA, id: diva2:389442
Tilgjengelig fra: 2011-01-19 Laget: 2011-01-12 Sist oppdatert: 2017-12-11bibliografisk kontrollert

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