Preparation and characterization of a proficiency test material 'Polish mushrooms' supported by the international atomic energy agency (IAEA), Vienna

摘要

Mushroom reference material has been prepared and characterized for use in proficiency test exercises within the frame of an IAEA Interregional Technical Cooperation Project. Laboratories from 14 countries provided results for homogeneity testing and the assignment of property values. The contents of 11 elements have been assigned. The material was used for conducting a proficiency test in Poland and the results obtained by Polish laboratories are presented and discussed.