distillation and gas chromatography based on their difference in boiling points. The boiling point of hexane is 69 degrees Celsius and the boiling point of toluene is 110 degrees Celsius. Three fractions were collected for both simple and fractional distillation. The first fraction was hexane since it had the lower boiling point. The second fraction was a mixture of toluene and hexane. The third fraction was toluene since it had the high boiling point of 110 degrees Celsius. Gas chromatography was also preformed
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1. INTRODUCTION The project “Automated Electricity Meter” aims to move away from the traditional method of manual reading of electricity meters in which an individual has to physically record the reading. Instead the project proposes to successfully be able to take the meter reading automatically without having a person be physically present while taking the reading‚ thereby reducing manpower requirement. This system helps the users by alerting them about the peak loads (max energy consumption)
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Expt. 8.1 Thin Layer Chromatography (TLC) Analysis of Analgesics Krista Jinks CH 211L Section F 10/27/14 I. Abstract: The objective of this experiment was to analyze analgesic tablets by TLC to determine what analgesics they contain. The analgesics that could be in the tablets included ibuprofen‚ acetaminophen‚ aspirin‚ and caffeine. Through the use of TLC‚ unknown substance #62 was found to be Bayer Aspirin because it only contained aspirin. II. Introduction: 1. Briefly describe
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Separating Water Soluble and Acetone Soluble Inks through Chromatography Abstract: Chromatography is a term used to define a set of laboratory techniques for the separation of mixtures. Through Chromatography we analyzed complex mixtures. In our recent lab we analyzed complex mixtures. The purpose of this lab was to find whether the water soluble or acetone soluble liquid traveled farther. In our recent lab we measured the distance traveled by the different colored water and acetone soluble
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Candy Chromatography: What makes those colors? The point of doing this project is to use paper chromatography to see which dyes are used in the coatings of your favorite colored candies. Chromatography is a technique for separating mixtures. Chromatography can be used to separate specific components from a complex mixture‚ based on molecular size or other chemical properties. It can also be used to identify chemicals‚ for example crime scene samples like blood‚ drugs‚ or explosive residue. Highly
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Experiment 4 – Liquid Phase Chromatography I. Objectives This experiment’s goal is to explore one-dimensional and two-dimensional paper chromatography. II. Schematic Diagram of the Procedure PAPER CHROMATOGRAPHY Wash leaves‚ cut them into smaller pieces; in a mortar macerate them in circular motion Add 8mL ethyl alcohol to extract pigments‚ continue macerating until finely grounded Transfer extract to evaporating dish‚ allow to conc‚ don’t let extract to dry out Concentration
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mobile phase can be liquid‚ gas‚ or supercritical fluid. How Does Chromatography Work? Chromatography is a surface effect. It works by first starting off with an unidentified liquid being injected into a column. As the chemicals in the liquid move down the column‚ they separate depending on their physical and chemical attributes‚ such as speed and weight. To easily picture the process‚ the example will pertain to a paper chromatography process in which the liquid is moving over the paper‚ separating
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Instructor: Ma ’am Lioanag Section: Civil Engineering 1-19 Date Performed: July 27 ‚ 2013 Group No.: 3 Date Submitted: August 3 ‚ 2013 Experiment No. 4 : PAPER CHROMATOGRAPHY INTRODUCTION The objective of this experiment was to resolve a given sample into its components by paper chromatography‚ to evaluate the retention factor of each component in the sample and to compare the relative solubility of the various components of a mixture of colors in a given solvent. METHODOLOGY
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Gas chromatography (GC) is a type of chromatography that uses a carrier gas as the mobile phase and a column as the stationary phase. The sample is injected into the instrument and is heated until the sample‚ which includes both analyte and solvent‚ boils. The analyte must have
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THE CASE ABOUT RF AND TATARSTAN DELEGATION OF AUTHORITIES 1. Why Tatarstan was succeeded to be the “elected” region in terms of its’ authorities? As far as I could understand‚ the reasons why Tatarstan was chosen for delegation of Authorities and this Agreement are mostly historical. Historical and political preconditions of Tatarstan turned in such way‚ that Russian Federation and Tatarstan were nearly in equal position. For example‚ Tatarstan was independent co-founder of USSR‚ Tatarstan Tatarstan
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