Training videos

Sigma Aldrich Proficiency Testing Reporting Portal: On this page you will find recorded presentations on how to use the portal, in various local languages. The presentations are given by the Sigma-Aldrich PT support team, and if you have any additional questions, they will be happy to take your calls and emails. Their details can be found at the end of the presentation.
Once you have seen the training presentation, the reporting portal can be accessed here


Proficiency testing data entry portal

Sigma-Aldrich Ringversuchs-Portal

Portail d’entrée des données de proficiency testing

Portale per l’inserimento dati dei proficiency test o circuiti interlaboratorio

Portal para la introducción de datos de los estudios interlaboratorios