Background indication

{
  "id": "MLC-T-CHM-001077",
  "term": "Background indication",
  "field": "Chemistry",
  "definition": "The measured value obtained from a blank sample, which contains all reagents and solvents but lacks the analyte of interest. This measurement quantifies the contribution of the matrix and instrumental noise to the overall signal. It is subtracted from the sample measurement to yield the net signal attributable to the analyte.",
  "subject": "Analytical Chemistry",
  "see_also": [
    "analytical chemistry",
    "blank indication",
    "blank material"
  ],
  "references": [
    "PAC, 2021, 93, 997. 'Metrological and quality concepts in analytical chemistry (IUPAC Recommendations 2021)' on page 1001 (https://doi.org/10.1515/pac-2019-0819)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/background-indication/"
}