isotopically unmodified

https://doi.org/10.1351/goldbook.I03339
Describes a compound that has a macroscopic composition such that its @C01281@ @N04257@ are present in the proportions occurring in nature.
Sources:
Blue Book, p. 514 [Terms] [Book]
PAC, 1981, 53, 1887. (Nomenclature of inorganic chemistry: II.1 - Isotopically modified compounds) on page 1889 [Terms] [Paper]
Citation: 'isotopically unmodified' in IUPAC Compendium of Chemical Terminology, 3rd ed. International Union of Pure and Applied Chemistry; 2006. Online version 3.0.1, 2019. https://doi.org/10.1351/goldbook.I03339 RIS BibTex EndNote
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Last revised: February 24, 2014