Elaboration of a POSAI-POSAI combinated electrode for acid-base microtiter

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José de Jesús Pérez-Saavedra
Sonia Rincón-Arce
Humberto Tenorio-Mora

Abstract

We present the design, construction and testing of a combined electrode oxide films over stainless steel (POSAI) as indicator electrode and reference electrode. This electrode is used to make micropotentiometry acid/base (acetic acid and phosphoric acid with sodium hydroxide, sodium acetate with nitric acid). A “t Student test” was applied, showing that there is no significant difference with micropotentiometry carried out with a conventional glass electrode.

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Artículo científico

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Elaboration of a POSAI-POSAI combinated electrode for acid-base microtiter. (2013). Tecnología en Marcha Journal, 26(4), pág. 3-12. https://doi.org/10.18845/tm.v26i4.1576