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.

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Record number 534202
Title Developments and interlaboratory study of the analysis of short-chain chlorinated paraffins
Author(s) Mourik, L.M. van; Veen, I. van der; Crum, S.; Boer, J. de
Source TrAC : Trends in Analytical Chemistry 102 (2018). - ISSN 0165-9936 - p. 32 - 40.
Department(s) Alterra - Environmental risk assessment
Publication type Refereed Article in a scientific journal
Publication year 2018
Keyword(s) Analysis - Interlaboratory studies - Laboratory agreement - Short polychlorinated n-alkanes (sPCAs) - Short-chain chlorinated paraffins (SCCPs)
Abstract To survey the conformity and quality of the results between laboratories for short-chain chlorinated paraffins (SCCPs) determination, we reviewed current and novel analytical methods and organized four worldwide laboratory exercises between 2011 and 2017. Participants were requested to analyse test solutions and extracts of various matrices with their method of choice. Thirty-three laboratories participated (9–22 per round), of which 55–81% were able to submit data. Large differences in results between laboratories were found (CVs 23–137%) but results improved over time, while the levels in the test materials decreased. In the last round acceptable CV values (<25%) were obtained for the test solution. In the last round, results obtained by the GC–ECNI-LRMS technique varied most, which is disconcerting as this technique is most commonly applied. We strongly suggest to continue monitoring comparability of laboratories to assess consensus in SCCP analysis, with a focus on quantification procedures applied.
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