substance content

symbols: $m$, $n$
acronym: ISO
synonym: content
https://doi.org/10.1351/goldbook.S06073
Amount-of-substance of a component divided by the mass of the system.
Notes:
  1. The term component is recommended for clinical chemistry, ISO uses 'substance'.
  2. The term system is recommended for clinical chemistry, ISO uses mixture.
  3. Use of the term level as a synonym for content is deprecated.
  4. In describing a quantity, 'content' must be clearly differentiated from concentration.
Source:
PAC, 1996, 68, 957. (Glossary of terms in quantities and units in Clinical Chemistry (IUPAC-IFCC Recommendations 1996)) on page 994 [Terms] [Paper]
Citation: 'substance content' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.S06073 RIS BibTex EndNote
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