ionic strength, I

https://doi.org/10.1351/goldbook.I03180
On a molality basis, Im=12 ∑mB zB2 where the sum goes over all the ions B. zB is the charge number of ion B. The ionic strength on a concentration basis is defined analogously Ic=12 ∑cB zB2
Sources:
Green Book, 2nd ed., p. 50 [Terms] [Book]
PAC, 1996, 68, 957. (Glossary of terms in quantities and units in Clinical Chemistry (IUPAC-IFCC Recommendations 1996)) on page 977 [Terms] [Paper]
Citation: 'ionic strength' 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.I03180 RIS BibTex EndNote
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Last revised: February 24, 2014