Certification of Reference Materials of Cotton Seed Powder with Different Mass Fractions of the Cotton Event GHB119 - Certified Reference Materials ERM®BF428 (ERM®-BF428a, ERM®-BF428b, ERM®-BF428c)

This report describes the processing and certification of three cotton seed powder Certified Reference Materials (CRMs) containing different mass fractions of genetically modified (GM) GHB119 cotton (ERM-BF428a, b, c). The materials were processed and certified in 2008/2009 by the European Commission, Joint Research Centre, Institute for Reference Materials and Measurements (IRMM, Geel, Belgium), according to the principles of ISO Guide 34. The three CRMs have been accepted as European Reference Materials (ERM) after peer evaluation by the partners of the European Materiasl consortium.JRC.D.2-Reference material