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Determination of the acaricide fenbutatin oxide in water samples by automated headspace-SPME-GC/MS

✍ Scribed by Christophe Devos; Luc Moens; Pat Sandra

Publisher
John Wiley and Sons
Year
2005
Tongue
English
Weight
822 KB
Volume
28
Category
Article
ISSN
1615-9306

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✦ Synopsis

Abstract

The analysis of the acaricide fenbutatin oxide (FBTO) having a molecular weight of 1052.66 g mol^–1^ in water samples by capillary GC/MS after in‐situ derivatization with sodium tetraethylborate (NaBEt~4~) and headspace‐SPME enrichment is described. Automated SPME is performed at 80°C for 30 min. Detection is carried out in the ion monitoring mode with deuterated triphenyltin (TPhTd15) as internal standard. Good linearity (R^2^ = 0.9993) was obtained in the dynamic range 20 to 1000 ng L^–1^ with a limit of detection of 16 ng L^–1^ (LOD at 3 S/N) and a limit of quantitation of 50 ng L^–1^ (LOQ at 10 S/N). Intra‐day RSD% for n = 6 was 8.9 at the LOQ level.

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