Authorized, documented procedure or set of procedures with detailed instructions for specified activities.
Note: Laboratory activities for which standard operating procedures are issued include
sampling, measurement,
testing, and examination.
Source:
PAC, 2021, 93, 997. 'Metrological and quality concepts in analytical chemistry (IUPAC Recommendations 2021)' on page 1041 (https://doi.org/10.1515/pac-2019-0819)