Extension of the offer! For all interlaboratory tests we would like to offer you the possibility to purchase sample sets. At the same time, you receive the precision data obtained from previous proficiency tests. With this bundle you are able to check your methods for accuracy du...

New profiency tests! Determining the content of additives is an important issue for quality assurance and damage analysis. We have taken care of our customers’ wishes and offer proficiency tests for the determination of plasticizers, pollutants and stabilizers. You can also...

More efficiency and cost savings through parameter grouping! We have decided to merge thematically related proficiency tests. If the proficiency test consists of the determination of several parameters, it is listed as a group. The characteristic values to be determined are usual...

Proficiency tests as benchmarking! We define a production task. You manufacture the product with the best possible properties. We analyse your performance. Together we improve your skills! You execute a task in the same way as the classic PROFICIENCY. In benchmarking, however, th...