Competence requirements for producers of reference materials and certified reference materials. ISO Quality & Accreditation
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34 results for “Reference material”
Reference material
Material, sufficiently homogeneous and stable with reference to specified properties, established to be fit for its intended use in measurement or in examination of…
Certified reference material (CRM)
A reference material accompanied by documentation issued by an authoritative body providing property values with uncertainties and traceability using valid procedures — per ISO 17034…
Commutability of a reference material
The property demonstrated by the closeness of agreement between the relation among results for a stated quantity in the RM and the relation among…
Measurement standard (etalon)
The realization of the definition of a given quantity, with stated value and uncertainty, used as a reference — an artifact, instrument, reference material, or…
Length change from the 20 °C reference temperature for common materials — ΔL from coefficient of thermal expansion per ISO 1.
…Vessel Owner Operator Vessel Identification Date Material Air Temperature Cubical Coefficient of Expansion Relative Humidity Standard deviation of the process, sp Reference temperature of…
SOP 21 — Lpg Prover Calibration
…Freedom Unknown Prover Information Owner Manufacturer Address Serial Material Cubical Coefficient of Expansion (β) Phone Reference Temperature Unknown prover graduations Applicable Specifications and Tolerances…
…Volume Air Temperature Material Relative Humidity Cubical Coefficient of Expansion Standard deviation of the process, s p from Control Chart Reference temperature of unknown…
SOP 52 — Conductivity Meter
…Standard Reference Material (S RM) or Certified Reference Material (CRM) for conductivity or resistivity reference measurements that have suitable calibration or test certificates and…