Synthesis of t-Pentyl Chloride Introduction: Using SN1 reaction mechanism with hydrochloric acid‚ t-Pentyl alcohol was converted to t-Pentyl chloride in an acid catalyzed reaction. The reaction took place in a separatory funnel designed to separate immiscible liquids. The crude product was extracted by transferring a solute from one solvent to another. The process of washing the solutions by phase transfer was used in order to remove impurities from the main solvent layer. Finally‚ the crude
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1.TITLE: To prepare isopentyl acetate (isoamyl acetate) 2. AIM: To make an ester referred to as banana oil from acetic acid and isopentyl alcohol 3.THEORY: This ester is often referred to as banana oil‚ since it has the familiar odor of this fruit O O CH3 H+ CH3 CH3C OH +
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Ethanol Apparatus : Round-bottom flask (100 mL)‚ measuring cylinder (50 mL)‚ conical flask (50 mL)‚ filter flask‚ beaker (100 mL)‚ stemless glass funnel‚ Hirsch funnel‚ capillary tube‚ long glass tube‚ watch glass‚ glass vial‚ water condenser‚ retort stand‚ retort clamps‚ spatula‚ cork stand‚ fluted filter paper‚ filter paper for Hirsch funnel‚ electronic weigh‚ electrothermal heater‚ oven‚ aspirator‚ electrothermal device to determine melting point. Chemicals : Crude diphenyl (3.0 g)‚ ethanol
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Extraction of Caffeine from Lipton Yellow Label Teal Leaves Arlie Bamiano‚ Jealine Bernabe‚ Petrenne Caimbon*‚ Jhia Caso Department of Biology‚ University of Santo Tomas Abstract In order to extract pure caffeine from Lipton Yellow Label tea leaves‚ several extractions and phase transition techniques were employed to 6.5029 grams of sample. Initially‚ the tea leaves were boiled in water to extract tea from the leaves (Solid-Liquid Extraction). After extracting the tea‚ several steps of
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seperaton process is used to transform a mixture into two or more distinct products. Filtration is the most common method of separation of an insoluble solid from a liquid. The filtration process involves the use of a filter paper being placed in a funnel. The filter drains through the filter paper into the beaker. This leaves the residue inside the filter paper and the filtrate in the beaker. Evaporation is the technique most commonly used when recovering the solute from a solution. The evaporation
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inside a slightly larger coffee cup or similar to give the paper cup support and prevent it from tipping over when you add a funnel. ●● Fold a sheet of filter paper in half and then in half again as illustrated. Weigh it. ●● Open one section of the folded filter paper as shown in the bottom illustration. ●● Place the opened filter paper into the funnel and the funnel into the paper cup supported by the coffee cup. www.LabPaq.com 116 ©Hands-On Labs‚ Inc. Experiment Stoichiometry of a Precipitation
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3. The acetone was decanted into a separatory funnel without transferring any spinach leaves by using a powder funnel with a cotton plug. 4. An Erlenmeyer flask was used to press the spinach and 25 mL of acetone was added to the spinach leaves and mixed as before‚ repeated twice. 5. 25 mL of hexane was added to the separatory funnel and mixed with venting. 6. 25ml of saturated sodium chloride was added to the separatory funnel and mixed. 7. The aqueous layer was collected in
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boiled until the benzoic acid completely dissolved. The total volume of water used was recorded. The black solid that remain in the dissolved mixture was the impurity. 2. A filter was prepared by placing a fluted filter paper in a 3 inch funnel. The funnel was placed onto a 100mL beaker with 5mL of water at the bottom. The filter paper was moistened. The water was heated to preheat the filter with steam. The solution prepared in step 1 was filtered. 3. A watch glass was placed over the beaker
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with ring stand Funnel Wire triangle Stirring rod Filtering paper Beakers (400mL and 250mL) Rinse bottle Evaporation dish Digital balance Calculator Hot plate (stove top) Salt/sand mixture Procedure Weigh your dish(in grams) and filter by there selves and write it down. Put your wire triangle on your ring attached to the ring stand . Place the funnel down inside of the wire triangle. Fold your filter paper (as shown in figure 4.8) and put inside of the funnel. Mix together your
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image below. Part B The mixture of DCM and Panacetin were poured from the collecting flask into a seperatory funnel and two extractions were performed‚ using a total of 30 mL of 5 % NaHCO3. In the first extraction 20 mL of 5 % NaHCO3 was measured and poured into the seperatory funnel. A stirring rod was then used to stir the mixture until fizzing stopped. The seperatory funnel was then stoppered and shaken and the valve was gradually turned to allow the carbon
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