Certified reference material
Certified Reference Material
Certified Reference Material (pronunciation: sər-ˈti-fīd ˈre-fər-ən(t)s mə-ˈtir-ē-əl) is a type of Quality Control material that is used in the field of Analytical Chemistry to ensure the accuracy and traceability of measurements.
Etymology
The term "Certified Reference Material" is derived from its function. "Certified" refers to the official recognition of the material's quality and reliability. "Reference" indicates its use as a standard for comparison or calibration. "Material" refers to the substance or mixture that the term describes.
Definition
A Certified Reference Material (CRM) is a substance or material with one or more property values, which are certified by a technically valid procedure, accompanied by or traceable to a certificate or other documentation that is issued by a certifying body. The primary purpose of a CRM is to calibrate analytical measurement systems, to validate methods, or for assigning values to materials.
Related Terms
- Analytical Chemistry: The science of obtaining, processing, and communicating information about the composition and structure of matter.
- Quality Control: A process by which entities review the quality of all factors involved in production.
- Traceability: The ability to verify the history, location, or application of an item by means of documented recorded identification.
- Calibration: The comparison of measurement values delivered by a device under test with those of a calibration standard of known accuracy.
- Validation: The process of checking if something satisfies a certain criterion.
External links
- Medical encyclopedia article on Certified reference material
- Wikipedia's article - Certified reference material
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