Dalton

{
  "id": "MLC-T-CHM-002850",
  "term": "Dalton",
  "field": "Chemistry",
  "definition": "A non-SI unit of mass, also known as the unified atomic mass unit (u), defined as one twelfth of the mass of an unbound atom of carbon-12 in its ground state. It is approximately 1.660 539 066 60 × 10^-27 kilograms. This unit is commonly used to express atomic, molecular, and ionic masses.",
  "subject": "Physical and Biophysical Chemistry",
  "see_also": [
    "atomic mass constant",
    "unified atomic mass unit"
  ],
  "references": [
    "Green Book, 2nd ed., p. 111 (https://goldbook.iupac.org/files/pdf/green_book_2ed.pdf)",
    "PAC, 1996, 68, 957. 'Glossary of terms in quantities and units in Clinical Chemistry (IUPAC-IFCC Recommendations 1996)' on page 968 (https://doi.org/10.1351/pac199668040957)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/dalton/"
}