Testmiddel
Testmiddel is a Dutch term referring to any substance, device, or material used to test or validate a process, measurement, or hypothesis. In a broad sense, a testmiddel acts as a controlled input, reference, or stimulus that helps determine whether a system behaves as expected. The word combines test with middel, meaning means or instrument.
Common purposes include calibration, verification of analytical methods, quality control, and demonstration of performance under predefined
Types of testmiddelen include chemical test reagents that produce a detectable signal when a target is present;
In practice, testmiddelen are selected for well-defined properties, documented storage conditions, and traceability to standards. Their
The term is predominantly used in Dutch-speaking contexts and is common in technical fields such as chemistry,