ZONMAIZE: EU-SMT-Project for the production of Certified Reference Materials (CRM) for the determination of zearalenone in maize
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This paper decribes the course of the project “ZONMAIZE” which has been funded by the European Commission within the Standards, Measurement and Testing Programme (SM&T). The project deals with the preparation and certification of both a maize naturally contaminated with zearalenone (ZON) (c=40–120 μg/kg, ZON in maize) and a blank maize material (<5 μg/kg ZON in maize) to improve the quality and comparability, of ZON analysis. In addition, a certified ZON calibrant (in acetonitrile) has been produced and ampouled (cZON=10 μg/l). After pre-analyses, homogenisation, drying and packaging, homogeneity and short time stability tests, two preliminary intercomparison studies and one certification exercise were carried out by a consortium of 27 European laboratories from 11 different European countries.
KeywordsCertified Reference Material (CRM) Maize Zearalenone
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