MLchartDataset catalogue

Unit

Term · Chemistry · MLC-T-CHM-012436

A specific magnitude of a physical quantity that is defined and adopted by convention or by law, used as a standard for measurement. It provides a reference for expressing the value of other quantities of the same kind. The International System of Units (SI) defines seven base units, such as the meter for length and the kilogram for mass.

Table 1. Record
IdentifierMLC-T-CHM-012436
FieldChemistry
SubjectAnalytical Chemistry
Synonymsitem; portion; individual
ReferencesPAC, 1990, 62, 1193. 'Nomenclature for sampling in analytical chemistry (Recommendations 1990)' on page 1202 (https://doi.org/10.1351/pac199062061193); PAC, 1996, 68, 957. 'Glossary of terms in quantities and units in Clinical Chemistry (IUPAC-IFCC Recommendations 1996)' on page 997 (https://doi.org/10.1351/pac199668040957); VIM (https://www.iso.org/standard/45321.html)
See alsoSample
Record as JSON
{
  "id": "MLC-T-CHM-012436",
  "term": "Unit",
  "field": "Chemistry",
  "definition": "A specific magnitude of a physical quantity that is defined and adopted by convention or by law, used as a standard for measurement. It provides a reference for expressing the value of other quantities of the same kind. The International System of Units (SI) defines seven base units, such as the meter for length and the kilogram for mass.",
  "synonyms": [
    "item",
    "portion",
    "individual"
  ],
  "subject": "Analytical Chemistry",
  "see_also": [
    "sample"
  ],
  "references": [
    "PAC, 1990, 62, 1193. 'Nomenclature for sampling in analytical chemistry (Recommendations 1990)' on page 1202 (https://doi.org/10.1351/pac199062061193)",
    "PAC, 1996, 68, 957. 'Glossary of terms in quantities and units in Clinical Chemistry (IUPAC-IFCC Recommendations 1996)' on page 997 (https://doi.org/10.1351/pac199668040957)",
    "VIM (https://www.iso.org/standard/45321.html)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/unit/"
}

Record 13,262 of 13,678 in Chemistry terminology (MLC-0109). Request the full dataset.