Distillation Introduction: The recrystallization technique you learned last lab is a method for purifying solids. This week we will learn how to perform a distillation‚ a method for purifying liquids. Distillation is a common wet-chemical technique for separating organic compounds based on differences in boiling points. Upon heating a mixture of organic compounds‚ the more volatile compounds (those with the lowest boiling point) will vaporize first (i.e. be converted to gases)‚ leaving the higher-boiling
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Simple and Fractional Distillation Experiment II Stancy Saji‚ 18 September 2014 Purpose Experiment II involved two kinds of distillation techniques: simple and fractional. Simple distillation was done to separate ethyl acetate—which has a usual boiling point of 77º—from a less volatile component‚ while fractional distillation was done to distinguish an ethyl acetate/n-butyl acetate mixture‚ which has boiling points of 77º and 125 º‚ respectively. Results and Discussion As previously stated the
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Point C Density g/mL Solubility Benzene 80.1 5.5 0.88 Slightly in H2O Toluene 110.6 -93 0.87 Slightly in H2O Bromobenzene 155-156 -30.8 1.50 Insoluble Dibromobenzene 220.40 87.31 0.96 Insoluble MATERIALS: Graduated cylinder Weight scale Buchner funnel Filter flask Rubber stopper Hot plate Thermometer Conical funnel Various size beakers Fractionating column (for reflux) Various sized round bottom flasks Distillation head Condenser Vacuum adapter Clamps and stands Test tubes PROCEDURE:
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Simple Distillation of Vodka Ancell Julienn C. Cruz Department of Pharmacy‚ Faculty of Pharmacy University of Santo Tomas‚ Espana Street‚ Manila 1008 Date Submitted: July 5‚ 2012 Abstract Distillation is a process of converting a liquid to a vapor‚ and then‚ collecting the distillate in another container. There are four distillation methods which are fractional distillation‚ simple distillation‚ vacuum distillation and steam distillation. The methods used here are fractional and simple
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Introduction 3 Results 4 Discussion 6 Conclusion 7 Experimental 7 References 8 Preparation of 2-Acetylcyclohexanone Introduction When hydrogens are present on the α-carbon of ketones (like the reaction used in this experiment)‚ carbonyl compounds and aldehydes‚ they turn the compound slightly acidic1. These functional groups are removed by using a basic solution as shown in (i) below1. The product formed with water is stable only due to resonance‚ but does
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samples that we are going to analyze are: the EtOAc from Simple distillation‚ the Fraction 1‚ Fraction 2‚ and Fraction 3 from the Fractional Distillation. Experimental Procedure 1. Inject a 5 µL sample of EtOAc from the Simple Distillation. Determine the actual % recovery of the purified EtOAc based on the % composition observed from the gas chromatogram. 2. Inject a 5 µL sample of Fraction 1 from the Fractional Distillation. Determine the actual % recovery of the purified EtOAc based
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Discussion: Continuous distillation‚ a form of distillation‚ is an ongoing separation in which a mixture is continuously (without interruption) fed into the process and separated fractions are removed continuously as output streams. A distillation is the separation or partial separation of a liquid feed mixture into components or fractions by selective boiling (or evaporation) and condensation. A distillation produces at least two output fractions. These fractions include at least one volatile
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like odor. Miscibility test shows that all of the organic compounds are immiscible and all are flammable. Tests for active unsaturation indicate that hexane‚ heptane‚ cyclohexane‚ benzene and toluene are saturated while cyclohexene is actively unsaturated. Hexane‚ heptane‚ benzene‚ and toluene are classified as aliphatic while cyclohexane‚ and cyclohexene are aromatic. All are not oxidized except for cyclohexene. I. Introduction Hydrocarbons are compounds that contain
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H.B Fuller and the Street Children Of Central America (Honduras) Introduction Background of the case is the misuse one of the adhesives‚ Resistol‚ a toluene base glue‚ by the street o children of america‚ where the social economic were taken part of this situation. The resistol were produced by H.B Fuller company‚a global manufacture of adhesives‚ selalants‚ and other specialty chemicals‚ and had operations in over 40 countries in North America‚ Europe‚ Asia and Latin America. H.B Fuller 1994 total
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This page intentionally left blank SEPARATION PROCESS PRINCIPLES Chemical and Biochemical Operations THIRD EDITION J. D. Seader Department of Chemical Engineering University of Utah Ernest J. Henley Department of Chemical Engineering University of Houston D. Keith Roper Ralph E. Martin Department of Chemical Engineering University of Arkansas John Wiley & Sons‚ Inc. Vice President and Executive Publisher: Don Fowley Acquisitions Editor: Jennifer Welter Developmental Editor:
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