Proficiency testing designed and operated in one or more
proficiency testing rounds for a specified area of
testing, measurement, calibration, or
inspection.
Notes: - A proficiency testing scheme might cover a particular type or number of tests, measurements, calibrations or inspections on proficiency test items.
- The use of terms such as "ring test", "round robin", "intercalibration", "intercomparison", "collaborative study", etc. for proficiency testing schemes is not recommended in formal documents.
Source:
PAC, 2021, 93, 997. 'Metrological and quality concepts in analytical chemistry (IUPAC Recommendations 2021)' on page 1034 (https://doi.org/10.1515/pac-2019-0819)