• Gas Chromatography
    Gas Chromatography Purpose: The purpose of the gas chromatography lab is to find out how different substances interact with the surface of a solid. Chromatography is a separation technique that depends on the relative distribution of the components of a mixture between a mobile phase and a sol...
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  • Simple Distillation, Gas Chromatography: Preparation of Synthetic Banana Oil
    Simple Distillation, Gas Chromatography: Preparation of Synthetic Banana Oil Introduction This experiment gave us the opportunity to work with a variety of new procedures as well as practice procedures that are new to us within the past few weeks of labs. Within the context of the scenario,...
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  • Alkenes from Alcohols: Analysis of a Mixture by Gas Chromatography
    Alkenes from Alcohols: Analysis of a Mixture by Gas Chromatography Aim: To analyze a mixture of alkenes by gas chromatography. Introduction: In this lab, we specifically used elimination reaction; however we only used the E1 reaction. In the presence of strong acids, alcohols protonate to f...
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  • Gas Chromatography
    Gas Chromatography: Purifying alcohol Introduction The goal of this lab is to understand the principles of chromatography by purifying alcohol using fractional distillation. Running standards with gas chromatography we were able to see and calibrate our data to find not only how much ethanol...
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  • Gas Chromatography
    Neha Bhattacharjee 5/23/11 Upamanyu Basu Gas Chromatography Part 1: General Questions 1. Gas chromatography is a type of chromatography that allows for separation and analysis of a compound. It does this by vaporizing the sample then using a carrier gas t...
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  • Chromatography Lab Report
    Chromatography lab Purpose: To separate food colorings into their component dyes using paper chromatography. Materials: Chromatography paper, Food coloring, Ruler, Pencil, Solvent solution, Test tubes, Test tube rack. Safety precaution: wear aprons, to make sure that you don’t get any of the...
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  • Thin Layer Chromatography Lab
    Thin Layer Chromatography Lab November 30, 2011 Calculations Substance | Distance moved by Substance | Distance moved by Solvent | Rƒ | Methyl Orange | 3.4 cm | 4.5 cm | .75 | Methyl Violet | 3.6 cm | 4.5 cm | .80 | Indigo Carmine | 3.4 cm | 4.5 cm | .75 | Sudan IV | 4.6 cm | 5 cm | ....
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  • Drug Identification with Gas Chromatography Mass Spectrometry
    Drugs are used everyday by people in many different ways for many different reasons. Drug testing has become a standard in pre-employment testing, because of the wide variety of drug use in today's society. Drugs tested for by a possible employer include Cocaine (crack), Amphetamines (crystal), Opia...
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  • Isolation and Analysis of Essential Oils Using Gas Chromatography
    Isolation and Analysis of Essential Oils using Gas Chromatography Lyndon Justin T. Guzman Institute of Chemistry, University of the Philippines, Diliman, Quezon City Date Performed: February 2; February 4, 2011 Date Submitted: February 18, 2011 Abstract The purpose of this experiment is...
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  • Analytical Characterization of Fatty Acids Composition of Datura Alba Seed Oil by Gas Chromatography Mass Spectrometry
    236 Journal of the Chinese Chemical Society, 2011, 58, 236-240 Analytical Characterization of Fatty Acids Composition of Datura alba Seed Oil by Gas Chromatography Mass Spectrometry Muhammad Nasimullah Qureshi,* Muhammad Siddique, Inayat-ur-Rahman and Farina Kanwal Medicinal Botanic Centre,...
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  • Gas Chromatography
    PRINCIPLES Chromatography is a very important analytical tool because it allows the chemist to separate components in a mixture for subsequent use or quantification. Most samples that chemists want to analyze are mixtures. If the method of quantification is selective for a given component in th...
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  • Chromatography Lab
    Problem How can you tell pigment separation by using Chromatography? Objective To prepare a chromatogram, separate pigments in a leaf and interpret the chromatogram. Hypothesis If I am to put a chromatography paper into a solvent, then it would separate the pigments depending on their Rf va...
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  • Chromatography Lab
    How Far Can Spinach Go? the process of photosynthesis is the process that plants and some bacteria get there energy from sunlight and change it to sugar. We can summarize this whole process into this equation: 6H2O + 6CO2 ----------> C6H12O6+ 6O2 which is read as six molecules of water plus six...
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  • Lab Report on Ideal Gas Law
    Ideal Gas Law Lab 1. Procedure: First, we used a balance to weigh the canister of gas, and recorded that mass as the original weight. Then, we filled a large bucket with water and recorded the temperature. We then filled a small test tube with water at the same temperature and poured that water i...
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  • Chromatography
    rom Riya Jain Mrs. Woroniecki May 9, 2011 Radial Chromatography T-Shirts Chromatography literally means ‘color writing’. It is used to separate complex mixtures and allow them to pass through a specific medium. The medium could be anything from paper, gas, liquid, gelatin, to magne...
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  • Biology Lab
    Identification of bacterial species based on their metabolic and enzymatic activities, via basic biochemical tests 1. Introduction Two general purposes of this lab experiment are to understand the fundamentals and results of the biochemical tests, and to understand metabolic and enzyme activi...
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  • Thin-Layer Chromatography
    Thin-layer chromatography Introduction In this assignment I have given two bottles with paracetamol and aspirin. In first bottle we think that contains mixture of paracetamol and aspirin. And in second bottle is without label. Our task is found out what in fact contain possible mixture in firs...
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  • Chromatography
    Direction: Read the article below. Answer the questions beside the article by checking the number of the sentence where you can find the answer. Then, write the specific answer on the space provided for. Good luck!!! CHROMATOGRAPHY (By: Mayflor Markusic) KALIKASAN: Everyday Scien...
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  • Thin Layer Chromatography of the Unknown Analgesic
    Thin Layer Chromatography of the Unknown Analgesic Jessica Bajao*, Phoebe Abalos, Kevin Antiga, Carmelus Aseneta 3-Biology 2 College of Science, University of Santo Tomas, Manila, Philippines Abstract The group used five different analgesics in this experiment: aspirin, acetaminophen, ibu...
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  • Column and Thin Layer Chromatography
    =========== ORGANIC CHEMISTRY ============ Organic Chemistry Laboratory - CH 201 (2010-2011) Experiment 4B Column and Thin-Layer Chromatography of Capsicum Frutescens L. Pigments John Cyril...
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