Umpire sample

{
  "id": "MLC-T-CHM-012411",
  "term": "Umpire sample",
  "field": "Chemistry",
  "definition": "A portion of a material reserved for independent analysis in case of a dispute regarding the initial analytical results. This sample serves as a neutral reference to resolve discrepancies between parties involved in a transaction or regulatory compliance. It is typically sealed and stored under conditions that prevent alteration until needed.",
  "synonyms": [
    "reserve sample"
  ],
  "subject": "Analytical Chemistry",
  "see_also": [
    "constituent",
    "reference material",
    "sample",
    "sampling error"
  ],
  "references": [
    "PAC, 1990, 62, 1193. 'Nomenclature for sampling in analytical chemistry (Recommendations 1990)' on page 1203 (https://doi.org/10.1351/pac199062061193)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/umpire-sample/"
}