Annual trials to check the competence of physico-chemical analysis laboratories and tasting panels are organised for approval by the IOC for the period from 1 December of each year to 30 November the following year, under the terms of the corresponding decisions. This is a fundamental activity to ensure better quality control.
Ring tests to monitor physico-chemical and sensory analysis laboratories are of undeniable interest, not only to check the competence of the laboratories but also to gather statistical data on different methods.
The aim of this test is not only to monitor laboratories and establish the precision margins of the analytical methods, but also to publish a reference list of chemical analysis laboratories and tasting panels that have been approved by the IOC. This list is revised annually.
For further information: https://www.internationaloliveoil.org/what-we-do/chemistry-standardisation-unit/standards-and-methods/