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Explore EU CRL's proficiency testing methods and sample production, including screening, confirmation, and stability studies. Learn about using incurred materials and following specific protocols. Discover the importance of calibration and reporting accurate results.
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CRL PROFICIENCY TESTS EUROPEAN UNION COMMUNITY REFERENCE LABORATORIES
Introduction • Proficiency testing is one of the key activities of the EU CRL. • Our task is to prepare test- or reference materials for proficiency tests and Quality Control.
General topics. • Production of the samples. • Method for screening and confirmation. • Stability study. • Homogeneity and reproducibility.
Production of samples. • The use of Incurred material. • Collection of samples. • Preparing samples.
Diagram of the excretion after treatment. The excretion of 17-, 17-nortestosterone and 17-, 17-Boldenone, after treatment.
Method for screening and confirmation. It’s important to give proof that: • Reconstruction of the samples according to the protocol. • Each must use his own method. • Calibration of the method. • The purity of the solvent and reagents. • All results must be reported and archieved.