Functional Group Equivalent Weight

{
  "id": "MLC-T-ENV-011872",
  "term": "Functional Group Equivalent Weight",
  "field": "Environment",
  "definition": "1. Ratio of the molecular weight to the number of occurrences of that functional group in the molecule. It is the weight of substance that contains one formula-weight of the functional group.\n\n2. Weight of polymer that contains one equivalent of the functional group; or the ratio of number-average molecular weight (NAVG MW) to the number of functional groups in the polymer. The methods for calculating the FGEW are described in a later section.",
  "abbreviation": "FGEW",
  "references": [
    "40 CFR 723.250 (CFR 2013)",
    "EPA Polymer Exemption Guidance Manual EPA 744-B-97-001 at www.epa.gov/sites/production/files/2015-03/documents/polyguid.pdf"
  ],
  "url": "https://mlchart.com/terminology/environment/functional-group-equivalent-weight/"
}