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Metrological traceability

A property of a measurement result whereby the result can be related to a reference (ultimately the SI system of units) through a documented, unbroken chain of calibrations, each contributing a stated uncertainty; the foundation of the CRM chain and of all quantitative forensic chemistry results.

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Related terms

Certified reference material (CRM)Internal standard (IS)ISO 17034Limit of detection (LOD)Limit of Quantification (LOQ)LinearityMeasurement uncertainty (MU)NIST SRM (Standard Reference Material)System suitability test

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