Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

    We have a manual that explains all the features 

Record number 415074
Title Validation of automated Library-Based Qualitative Screening of Pesticides by Comprehensive Two-Dimensional Gas Chromatography/Time-of-Flight Mass Spectrometry
Author(s) Mol, J.G.J.; Kamp, H.J. van der; Weg, G. van der; Lee, M.K. van der; Punt, A.M.; Rijk, T.C. de
Source Journal of AOAC International 94 (2011)6. - ISSN 1060-3271 - p. 1722 - 1740.
Department(s) RIKILT - R&C Natuurlijke Toxinen en Pesticiden
RIKILT - R&C Contaminanten
Publication type Refereed Article in a scientific journal
Publication year 2011
Keyword(s) large-volume injection - spectral deconvolution - residue analysis - identification system - organic contaminants - time - vegetables - fruits - target - optimization
Abstract A method for automated detection and reporting of pesticides in plant materials based on comprehensive two-dimensional GC/time-of-flight MS with library-based detection by software has been developed and validated. Optimum settings for detection parameters such as spectral match threshold and first and second dimension retention time tolerances were assessed with respect to occurrence of false detects and false negatives. Next the method was validated following European Union guidelines established for qualitative screening of pesticides. The validation was largely done in retrospect by using data obtained for spiked samples (235 pesticides, various crops, 0.01-0.2 mg/kg) that had been analyzed previously with routine samples over a period of 18 months. At 0.01 mg/kg, the required 95% confidence level (
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