Matrix Spike (Spiked Sample or Fortified Sample)

{
  "id": "MLC-T-ENV-016692",
  "term": "Matrix Spike (Spiked Sample or Fortified Sample)",
  "field": "Environment",
  "definition": "A sample prepared by adding a known mass of target analyte to a specified amount of matrix sample for which an independent estimate of target analyte concentration is available. Matrix spikes are used, for example, to determine the effect of the matrix on a method's recovery efficiency. {ORD} {OW/EAD} {OPP} {OAR/OAQPS} {ORCR}",
  "subject": "Policy and guidance",
  "references": [
    "Forum on Environmental Measurements (FEM) Glossary"
  ],
  "url": "https://mlchart.com/terminology/environment/matrix-spike-spiked-sample-or-fortified-sample/"
}