Laboratory sample

{
  "id": "MLC-T-CHM-006409",
  "term": "Laboratory sample",
  "field": "Chemistry",
  "definition": "The material or item that is received by the laboratory for testing, prepared from a larger bulk or gross sample collected in the field. This sample must be sufficiently representative of the original material to yield meaningful analytical results. From the laboratory sample, smaller test portions are taken for individual analyses after any necessary processing like grinding or mixing.",
  "subject": "Analytical Chemistry",
  "see_also": [
    "collection",
    "subsample",
    "test portion",
    "test sample"
  ],
  "references": [
    "PAC, 1988, 60, 1461. 'Nomenclature, symbols, units and their usage in spectrochemical analysis-X. Preparation of materials for analytical atomic spectroscopy and other related techniques (Recommendations 1988)' on page 1465 (https://doi.org/10.1351/pac198860091461)",
    "PAC, 1990, 62, 1193. 'Nomenclature for sampling in analytical chemistry (Recommendations 1990)' on page 1206 (https://doi.org/10.1351/pac199062061193)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/laboratory-sample/"
}