Blank value

{
  "id": "MLC-T-CHM-001365",
  "term": "Blank value",
  "field": "Chemistry",
  "definition": "The measured response obtained from a blank sample, which contains no analyte but is otherwise treated identically to the analytical sample. This value accounts for background signals, interferences from reagents, or instrumental noise. It is subtracted from the gross signal of the sample to obtain the net signal attributable to the analyte.",
  "subject": "Analytical Chemistry",
  "see_also": [
    "reading"
  ],
  "references": [
    "PAC, 1989, 61, 1657. 'Nomenclature for automated and mechanised analysis (Recommendations 1989)' on page 1662 (https://doi.org/10.1351/pac198961091657)",
    "PAC, 1990, 62, 2167. 'Glossary of atmospheric chemistry terms (Recommendations 1990)' on page 2176 (https://doi.org/10.1351/pac199062112167)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/blank-value/"
}