In the experiment, to study the liquid solvent extraction or extraction process and determine an extraction efficiency of different concentration mixtures by extraction of Acetic acid solution in Hexane at concentration 0.1% v/v% v/v and 1.6 with Distilled water made to measure the concentration of Acetic Acid of the Extract phase and every 10 minutes until the Overflow demands of constant khe nakhon NaoH started, it was found that the concentration of Acetic acid in Extract decreased gradually until the entire phase constant, because of the quantity of Acetic acid extraction can be dissolved into the solvent extract (distilled water) using a lot, but the quantity of solvent extract as much, so the concentration of Acetic acid have the highest value. Over time, the quantity of Acetic acid in aqueous solution are less. Water extraction. less volume, but the volume of distilled water in the bulk phase extract makes the concentration of Acetic acid is less and when distilled water cannot be extracted. The intensity is constant or equilibrium point between Extract and Raffinate phase phase.
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