Control materials
Reliable samples from proficiency tests with a full certificate including the assigned value, associated uncertainty and details about the nature of the sample.
View available control materialsTraceabilitya
Each material includes a certificate with the assigned value, uncertainty and number of participating laboratories
Complete analysis
Representative samples from common matrices with detailed information about their nature
Fast delivery
Fast shipping so you can carry out your internal controls without delays
Expert support
Our team of experts is available to help you select the right material for your needs
You must sign in to view this information
Control material catalog
26 available control materials
