Date:7.6.2013 Objectives: Part 1: (i)To learn the technique of TLC and the visualization of colourless components. (ii)Identify the unknown drug by a TCL comparison with standard components. Part2 :to learn the separation technique by using TLC plate in separating a mixture of compound by using spinach leaf. Apparatus:UV lamp‚capillary ‚250 ML beaker Materials:aspirin‚acetaminophen‚caffeine‚unknown A‚unknown B‚TLC plates‚ethyl acetate‚Hexane‚acetic acid‚iodine Introduction: Procedure:
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COLUMN AND THIN LAYER CHROMATOGRAPHY Group 9 RAMOS‚ Sharina Joy; REYES Aina Marie; REYES Jallisa Maan; RUBIO‚ John Michael; SABINO Patricia Anne; SANTOS‚ Carlos Rafael ABSTRACT To separate the colored components of siling labuyo and to determine the purity of the components‚ the students performed a column and thin or solid-liquid chromatography procedure. The solid may be almost any material that does not dissolve in liquid phase. But for this experiment‚ the solid used by the students was
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Blood Run’s Thin in The Ozarks A movie review of Winter’s Bone “Some of our blood is at least the same ain’t that supposed to mean something? In’t that what is always said?” asked Ree Dolly as she pleaded for help from her relatives to find her missing father. 17 year old Ree Dolly‚ played by Jenifer Lawrence‚ is trying to save her home and keep her family together. To do that she must find her absent‚ meth-cooking‚ father who was recently released from jail. If he does not make it to his court
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life? Well the same can be applied to our lives. Have the many new technologies enhanced lives‚ or limited it? It was this question that Chris McCandless asked himself before embarking on his many adventures‚ whose final story is illustrated by Jon Krakauer in Into The Wild. Chris had left his life in civilization to appreciate what nature could offer him‚ and he found just that. “one hand holding his final note toward the camera lens‚ the other raised in a brave‚ beatific farewell. He is smiling
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Political Sins of Jon Stewart”‚ believe that Jon Stewart and his use of cynicism are harmful to Democracy. Conversely‚ Robert Harriman who wrote “In Defense of Jon Stewart” concedes that Jon Stewart is a cynic “for [the purpose] of coming to the key point of judgment” (274) although he considers Jon Stewart a helpful defender of democracy rather than a harmful offender. Similarly‚ Lisa Colletta the author of “Political Satire and Postmodern Irony in the Age of Stephen Colbert and Jon Stewart” feels
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The economics of sport is a rather wide field. It spreads across analyses of the demand for sport‚ cost-benefit analyses of sporting events and sporting venues‚ the local public finance implications of these same events and venues‚ sporting governance (meaning labor-management relations‚ organizational models of team or individual sports events as well as professional leagues)‚ the business and finance of professional leagues‚ wage determination‚ labour market discrimination‚ trade in the sporting
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M&AE 305 October 3‚ 2006 Thin Airfoil Theory D. A. Caughey Sibley School of Mechanical & Aerospace Engineering Cornell University Ithaca‚ New York 14853-7501 These notes provide the background needed to implement a simple vortex-lattice numerical method to determine the properties of thin airfoils. This material is covered in Lecture‚ but is not in the textbook [5]. A summary of results from the analytical theory also is provided‚ as well as a comparison of the thin-airfoil results with those
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=========== ORGANIC CHEMISTRY ============ Organic Chemistry Laboratory - CH 201 (2010-2011) Experiment 4B Column and Thin-Layer Chromatography of Capsicum Frutescens L. Pigments John Cyril Abanto*‚ Vernalyn Abarintos and Clarice Gail Abella Department of Chemistry‚ College of Science University of Santo Tomas‚ Espana Street‚ Manila 1050 Date Submitted: September‚ 2010 ____________________________________________________________
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world that at certain time of age people start working for having money for their future‚ and it will hard to imagine a life where someone is careless and don’t care of nothing and leaves all behind just because he has different perspective of life. Jon Krauker in his story “Into the Wild” tells a life from a person just like this. Christopher McCandless just when he graduates from college decided to leave his family with no notification to anyone‚ just a simple note on his bed that he will go. He
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Experiment #1: Thin-Layer Chromatographic Analysis of Drug Components | Performed on: Wednesday‚ May 8th‚ 2013 | | | 5/15/2013 | | Introduction: The goal of this experiment was to identify an unknown analgesic drug through the use of thin-layer chromatography. The drugs used were‚ Unknown #1‚ caffeine‚ aspirin‚ and acetaminophen. Thin-Layer Chromatography is a technique for identifying substances using a mobile phase (developing solvent) that draws up through a
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