Laboratory Reagent Blank

{
  "id": "MLC-T-ENV-015243",
  "term": "Laboratory Reagent Blank",
  "field": "Environment",
  "definition": "1. An aliquot of reagent water or other blank matrix that is treated exactly as a sample including exposure to all glassware, equipment, solvents, reagents, sample preservatives, internal standards, and surrogates that are used in the extraction batch. The LRB is used to determine if method analytes or other interferences are present in the laboratory environment, the reagents, or the apparatus. {OW/TSC}\n\n2. An aliquot of reagent water or other blank matrix that is treated exactly as a sample including exposure to all glassware, equipment, solvents, reagents, sample preservatives, internal standards, and surrogates that are used in the extraction batch. The LRB is used to determine if method analytes or other interferences are present in the laboratory environment, the reagents, or the apparatus",
  "abbreviation": "LRB",
  "subject": "Policy and guidance",
  "references": [
    "Forum on Environmental Measurements (FEM) Glossary"
  ],
  "url": "https://mlchart.com/terminology/environment/laboratory-reagent-blank/"
}