A Proficiency Test (PT) Reference Material with nine heavy metals compounds prepared in the Trilogy Europe production facility and concentration(s) calculated with the ICP – technique.
A certificate of analysis is included with every PT Reference Material purchased. This certificate comprise the PT-QC material which the assigned value and the standard deviation for proficiency assessment (SDPA) ranges derived from the proficiency testing round as well as measurement of uncertainty of the material.
All PT-RMs are thoroughly homogenized to ensure uniform contamination distribution of the analyte to represent the best estimate of the true value as obtained by one laboratory. PT Reference Materials are conveniently packaged as 100g quantities in a resealable foil packet. This product is a Proficiency Testing Reference Material, not a Certified Reference Material.