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Square-Wave Voltammetric Determination of Antihistaminic Drug Hydroxyzine in Pharmaceuticals Using a Boron-doped Diamond Electrode

MetadataDetails
Publication Date2016-07-11
JournalOrbital - The Electronic Journal of Chemistry
AuthorsJessica Scremin, Elen RomĂŁo Sartori
InstitutionsUniversidade Estadual de Londrina
Citations3

<p class=“orbitalabstract”><span lang=“EN-GB”>The determination of </span><span lang=“EN-US”>antihistaminic</span><span lang=“EN-GB”> hydroxyzine using square-wave voltammetry and a cathodically pretreated boron-doped diamond electrode is described. The obtained analytical curve was linear in the hydroxyzine concentration range 0.50 - 20.0 </span><span lang=“EN-GB”>m</span><span lang=“EN-GB”>mol L</span><sup><span lang=“EN-US”>-</span></sup><sup><span lang=“EN-GB”>1</span></sup><span lang=“EN-GB”> </span><span lang=“EN-US”>in 0.1 mol L<sup>-1</sup> HCl solution</span><span lang=“EN-GB”>, with a detection limit of 0.43 </span><span lang=“EN-GB”>m</span><span lang=“EN-GB”>mol L</span><sup><span lang=“EN-US”>-</span></sup><sup><span lang=“EN-GB”>1</span></sup><span lang=“EN-GB”>. Addition and recovery studies in commercial tables and liquid formulations showed excellent recovery values ranging from </span><span lang=“EN-US”>94.3 % to 104 %</span><span lang=“EN-GB”>. Furthermore, t</span><span lang=“EN-US”>he proposed method was successfully applied in the determination of hydroxyzine in several pharmaceutical formulations and the results were in a close agreement at a 95 % confidence level with those obtained using an official potentiometric method</span><span lang=“EN-GB”>.</span> <p class=“orbitalabstract”> <p class=“orbitalabstract”><span lang=“EN-GB”>DOI: <a href=“http://dx.doi.org/10.17807/orbital.v8i3.833”&gt;http://dx.doi.org/10.17807/orbital.v8i3.833&lt;/a&gt;&lt;br /></span>