Competence requirements for producers of reference materials and certified reference materials. ISO/IEC Quality & Accreditation
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73 results for “Reference material”
Dictionary
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…
Dictionary
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…
Dictionary
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…
Direct and indirect verification and calibration of Rockwell hardness testing machines and indenters using certified reference blocks. ISO/IEC Hardness
…Sample and reference port throughput comparison, the result of an empty sample port transmittance measurement. The curve represents the difference in detector signal for…
…Strouse, G.F., “Standard Reference Materials: Standard Reference Material 1745: Indium Freezing-Point Standard and Standard Reference Material 2232: Indium DSC Melting- Point Standard…
4.8 References [1]Bass,N. ,NBSTechnicalNote1183,part1(January1984). [2]Evans, J.P., Tillett, S. B. ,NBSTechnical Note 1183, part 2 (January1984) . [3]Evans…
Dictionary
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.