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In this work, a rapid and simple analytical method for the quality control of iodized salt based on simultaneous ultrasound-assisted iodide oxidation and liquid-liquid microextraction, with the subsequent measurement of the organic phase by UV–vis micro-spectrophotometry is described. An aqueous sample solution along with 50μL of carbon tetrachloride are sonicated with a probe for 2min. CCl4 is used...
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