combination electrode 

https://doi.org/10.1351/goldbook.C01184
An @I03244@ and an external @R05229@ combined in a single unit, thereby avoiding the need for a separate external @R05229@.
Source:
PAC, 1994, 66, 2527. (Recommendations for nomenclature of ionselective electrodes (IUPAC Recommendations 1994)) on page 2528 [Terms] [Paper]
Citation: 'combination electrode' 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.C01184 RIS BibTex EndNote
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Last revised: February 24, 2014