Use of Data from Outside the Laboratory
Assessment of uncertainty in analytical results

In collective or collaborative approaches, the results of interlaboratory tests are used. The use of external data is now also covered by the GUM approach.

The objective of an interlaboratory comparison (ILC) may focus on the performance of a method in accordance with the NF ISO 5725 standard (§ 6.1 ) or on evaluating the laboratories’ ability to measure correctly (proficiency test). The proficiency test (EdA) is then organized in accordance with the NF EN ISO 17043 standard (§ ...