Metrological Anchor
Physical artifacts or stable substances possess known properties that are linked to international standards through an unbroken chain of comparisons. Using a traceably certified reference allows a laboratory to verify the accuracy of its instruments against a recognized value. These items come with a certificate that specifies the property value, the associated uncertainty, and the conditions under which the measurement was performed.
The data provided on the documentation ensures that the reference remains valid for its intended application. This link to the primary standard is the basis for all scientific measurement.
Quality Assurance
Standardized materials provide the basis for validating new analytical methods. A traceably certified reference acts as the ground truth during the calibration of sensors and weighing systems.
Stability Requirement
Materials chosen for this role must remain unchanged over their shelf life when stored according to the manufacturer’s instructions. The integrity of a traceably certified reference is maintained through handling protocols that prevent contamination or degradation. Periodic replacement ensures that the reference value remains valid and defensible during audits.
Documentation Flow
The accompanying paperwork must detail every step of the comparison process back to a national metrology institute. Every traceably certified reference provides the legal evidence needed to support the claims of measurement accuracy.
