Fractional Distillation of an Ethanol- water Mixture Abstract The purpose of this experiment is to understand the process of distilling a solution. Thesolution of 50/50 ethanol-water was used in the experiment. Using fractional distillationapparatus ethanol-water mixture was separated. The fractional use of copper sponge wasused in distillation process which created the heat exchange area between the vapor of ethanol and liquid water. The fractional distillation process yield 9.5 ml of ethanol
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purpose of this experiment was to isolate the aromatic hydroxyl compound‚ eugenol from crushed cloves using steam distillation. After conducting the distillation‚ the expected two layers were not visible in the centrifuge tube. Subsequently‚ the extraction and evaporation did not produce the expected oil. This result is probably due to the collection of only water vapor during distillation. From another group’s data‚ 3.80% of the oil was recovered from the cloves in which the major component is eugenol
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3.3 Results and Discussion 3.3.1 Particle Size of Asphaltenes. DLS was utilized to obtain the hydrodynamic radius of asphaltenes in toluene‚ which could help understand the behaviors of asphaltenes in the bulk solutions and oil/water interfaces. Figure 1 shows the particle size distribution of asphaltenes under different concentrations at 23 ℃ and under 2000 mg/L at different temperatures. A summary of the average particle size under different concentration and temperature conditions is shown in
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Distillation Column In the the Chemical Enginneering Lab at CSULB there is a total reflux eight-stage glass binary distillation column at atmospheric pressure. The components that need to be separated are 1-propanol and 2-propanol. These two compounds are isomers with fairly close boiling points. They are separated based on their physical propertis. With the
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of farUV: 180-240nm. 1. Near UV CD: 240n-320nm‚ Aromatic amino acids and disulphide bonds. 2. Visible CD: d-d transition in some metal protein complexes for eg Cu (II) prion. Principles of Chromatography Substances present in a mixture are allowed to distribute themselves between two phases: the stationary phase (fixed) and the mobile phase. As the mobile phase flows over the stationary phase‚ components of the mixture experience many transfers
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Is Higher Education Worth the Price? The question of whether or not higher education is actually “worth it” is an entirely subjective on. To objectively determine if higher education will give a high return on investment‚ one needs to first understand what they are hoping to gain out of the entire experience. Higher education does worth the price because it helps students to build their self-fulfillment‚ provide more monetary opportunities and reach their final goal . In the United States‚ for
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Principles of Distillation What is distillation? Simply‚ distillation is the process in which a liquid is vaporized (turned to steam)‚ recondensed (turned back into a liquid) and collected in a container. Nature uses a form of distillation to turn salt water (seawater) into fresh water (rain). Why do you use distillation to recycle waste solvents? Solvent-based waste contains volatile material (solvents) and non-volatile material (contaminants like paint‚ ink‚ grease‚ fiberglass‚ etc.). Many of the
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Fractional Distillation Name: Pinaki Das Partner’s Name: Alice Kim Course: Advance Science Grade 9 Slot: B Date: November 6th 2013 Fractional distillation separates a mixture of liquids based on differences in the boiling points of the liquid. The purpose of this experiment was to identify
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Fractional Distillation of GSM Blue Pamela Trix Lanaja‚ Jonathan M. Librojo‚ Shaun Therence Mabunay and Carissa Mae Magdaleno 3Bio3‚ Department of Biology‚College of Science‚ University of Santo Tomas‚ Manila‚ Philippines Abstract G.S.M. Blue is composed primarily of water‚ sugar cane alcohol with essences of juniper berries and other botanicals with traces of impurities and flavourings and it has 32.5 percent alcohol by volume (65 proof). The experiment aimed to separate its
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Extraction Important Peaks Concluded Compound C-5 #1 -CH‚ C=O cyclopentanone C-5 #2 -OH‚ -CH 1-hexanol D-4 #1‚2 C=O‚ -CH Cannot conclude Preparative Gas Chromatography was used to separate volatile compounds‚ which can then be identified. The injected sample becomes vaporized and was carried through the mobile column. It is usually carried by an inert gas. The gases were moved through the stationary column. The polarity of the components to the column would cause the separation of the components. Opposite
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