Property of an examination result whereby it can be related to a reference through a documented unbroken chain of examination calibrations, each contributing to the examination uncertainty.
Note: The ISO Technical report (TR 79:2015) characterizes reference materials for "qualitative properties".
Source:
PAC, 2018, 90, 913. 'Vocabulary on nominal property, examination, and related concepts for clinical laboratory sciences (IFCC-IUPAC Recommendations 2017)' on page 928 (https://doi.org/10.1515/pac-2011-0613)