Primary examination standard

{
  "id": "MLC-T-CHM-009427",
  "term": "Primary examination standard",
  "field": "Chemistry",
  "definition": "The top-ranking examination standard for a nominal property, a qualitative characteristic such as a blood group or a base sequence, whose assigned value comes from a primary reference procedure or from a physical artefact adopted by convention. Secondary, reference and working standards trace their assigned values back to it. It is the nominal-property counterpart of a primary measurement standard for a quantity.",
  "subject": "Chemistry and Human Health",
  "see_also": [
    "examination standard",
    "primary reference examination procedure"
  ],
  "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-examination-standard/"
}