Proficiency Testing
proficiency testing accredited to ISO 17043. Our wide range of reference materials and proficiency testing schemes is complemented by our experience in outsourcing and customs, enabling us to adapt quickly to provide tailored solutions to meet your analytical needs
About Project
Proficiency testing (PT) determines the performance of individual laboratories for specific tests or measurements and is used to monitor laboratories’ continuing performance
In a proficiency test, stable and homogenous sample(s) are sent out to participating laboratories. Each laboratory conducts the analysis as per its normal procedures and the instructions accompanying the sample(s).
The results reported by each laboratory for a measure and are compared to the reference value for that measure and. The reference value can be determined in various ways. The two most common ways are to use a reference laboratory or use the average of the values reported by the participants.
Reports are circulated to the participating laboratories including the evaluation of their performance usually in a form of score. z-score, zeta-score, and En value are some of the commonly used scores
