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Back to the OSAC Lexicon

Verification

provision of objective evidence that a given item fulfils specified requirementsEXAMPLE 1 Confirmation that a given reference material as claimed is homogeneous for the quantity valueand measurement procedure concerned, down to a measurement portion having a mass of 10 mg.EXAMPLE 2 Confirmation that performance properties or legal requirements of a measuring system areachieved.EXAMPLE 3 Confirmation that a target measurement uncertainty can be met.Note 1 to entry: When applicable, measurement uncertainty should be taken into consideration.Note 2 to entry: The item may be, for example, a process, measurement procedure, material, compound, ormeasuring system. Note 3 to entry: The specified requirements may be, for example, that a manufacturer's specifications are met.Note 4 to entry: Verification in legal metrology, as defined in VIML, and in conformity assessment in general,pertains to the examination and marking and/or issuing of a verification certificate for a measuring system.Note 5 to entry: Verification should not be confused with calibration. Not every verification is a validation (3.9).Note 6 to entry: In chemistry, verification of the identity of the entity involved, or of activity, requires a descriptionof the structure or properties of that entity or activity.[SOURCE: ISO/IEC Guide 99:2007, 2.44]

Committee
Interdisciplinary
Date Added to Lexicon
Standard Source (Designation Number Title of Standard. Publisher, Place, Year.)
ISO/IEC 17025:2017 General Requirements For The Competence Of Testing And Calibration Laboratories. International Organization for Standardization/International Electrotechnical Commission, Chemin de Blandonnet 8, CP 401, 1214 Vernier, Geneva, Switzerland, 2017. Source link
Reprinted, with permission, from ISO, copyright International Organization for Standardization, 1214 Vernier, Geneva, Switzerland. A copy of the complete standard may be purchased from ISO, https://www.iso.org/store.html