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Lab #3 - Limonene - which is colorless when added together...

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Emily Rushton CHM 231-909 Professor N. Kemling 2008 February 20 th Abstract Lab 3 – Isolation of Limonene From Orange Peel The isolation of limonene from an orange peel was done by process of steam distillation. The weight of the orange peels before distillation and the percent of limonene in orange peels proved to be around 1.49%. Anhydrous calcium chloride was added to the limonene sample to be sure all water had been separated. Bromine (Br 2 ) which holds a dark brown color was added to a small sample of limonene,
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Unformatted text preview: which is colorless, when added together, the solution was colorless, showing the presence of a double bond within the limonene chemical structure. A .5% concentration of potassium permanganate (KMnO 4 ) which holds a deep purple color was added to a small sample of limonene. There also was a color change from a deep purple color to a dark brownish purple color, showing that there also was a double bond within the limonene structure....
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