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Iodide Determination: Fajans vs. Volhard by ScribdTranslations is a document available to read on EtoBox.
This document describes two precipitation volumetry methods, Fajans and Volhard, to determine the concentration of iodides in a sample problem. In the Fajans method, a direct titration is performed with silver nitrate using eosin as an indicator, while in the Volhard method, a back titration is carried out with potassium thiocyanate and iron nitrate as an indicator. When applying both methods to duplicate samples, the Fajans method yielded a concentration of
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