Primary reference examination procedure

{
  "id": "MLC-T-CHM-009445",
  "term": "Primary reference examination procedure",
  "field": "Chemistry",
  "definition": "The procedure that gives an examination result for a nominal property, such as a blood group or a base sequence, without relying on any standard of the same kind, and that is accepted as the reference at the top of the traceability chain. It is the nominal-property counterpart of a primary reference measurement procedure for a quantity, and it is used to assign values to standards of the same kind.",
  "subject": "Chemistry and Human Health",
  "see_also": [
    "reference examination procedure",
    "examination result",
    "examination standard",
    "kind-of-nominal-property",
    "nominal property"
  ],
  "references": [
    "PAC, 2018, 90, 913. 'Vocabulary on nominal property, examination, and related concepts for clinical laboratory sciences (IFCC-IUPAC Recommendations 2017)' on page 930 (https://doi.org/10.1515/pac-2011-0613)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/primary-reference-examination-procedure/"
}