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Determination of the acaricide fenbutatin oxide in water samples by automated headspace‐SPME‐GC/MS
Author(s) -
Devos Christophe,
Moens Luc,
Sandra Pat
Publication year - 2005
Publication title -
journal of separation science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.72
H-Index - 102
eISSN - 1615-9314
pISSN - 1615-9306
DOI - 10.1002/jssc.200400105
Subject(s) - detection limit , chromatography , chemistry , derivatization , selected ion monitoring , gas chromatography–mass spectrometry , solid phase microextraction , mass spectrometry , acaricide , analytical chemistry (journal) , organic chemistry
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.