Catalogues and registration

Reference materials

For many test methods from our interlaboratory comparisons we offer the possibility to purchase reference sample sets. Thereby, you receive the precision data obtained from previous interlaboratory comparisons. This bundle enables you to check the accuracy of your methods during ...

Reminder: Proficiency tests 2022

In 2022, a large number of proficiency tests will again be available. The spring series is already right around the corner. However, registration is still possible without any problems. Our online catalogue can easily be used to browse the programme and register. To check the tes...