Blank

{
  "id": "MLC-T-ENV-003405",
  "term": "Blank",
  "field": "Environment",
  "definition": "1. A bottle containing only dilution water or distilled water; the sample being tested is not added. Tests are frequently run on a SAMPLE and a BLANK and the differences are compared.\n\n2. A sample subjected to the usual analytical or measurement process to establish a zero baseline or background value. Sometimes used to adjust or correct routine analytical results. A sample that is intended to contain none of the analytes of interest. A blank is used to detect contamination during sample handling preparation and/or analysis.\n\n3. A specimen that is intended to contain none of the analytes of interest and which is subjected to the usual analytical or measurement process to establish a zero baseline or background value. {OW/TSC} {OAR/OAQPS} {OECA} {ORCR}\n\n4. Different types of blanks include: calibration blank, equipment blank, field blank, instrument blank, laboratory blank, laboratory reagent blank, method blank, preparation blank, reagent blank (or method reagent blank).\n\n5. A specimen that is intended to contain none of the analytes of interest and which is subjected to the usual analytical or measurement process to establish a zero baseline or background value. Different types of blanks include: calibration blank, equipment blank, field blank, instrument blank, laboratory blank, laboratory reagent blank, method blank, preparation blank, reagent blank (or method reagent blank).",
  "subject": "Policy and guidance",
  "references": [
    "Drinking Water Technical & Legal Terms",
    "Guidance for Quality Assurance Project Plans",
    "Forum on Environmental Measurements (FEM) Glossary"
  ],
  "url": "https://mlchart.com/terminology/environment/blank/"
}