Thin-Layer Chromatography of Analgesics Abstract: In this experiment thin-layer chromatography (TLC) was used to determine the composition of an unknown mixture of analgesics given five references of AC‚ ASP‚ CAF‚ IBU‚ SAL‚ an unknown consisting of a mixture of three of the references‚ and two unknowns (6‚23) containing a single reference compound. The composition of the unknown mixture and two single unknowns were determined by spotting the reference compounds and the unknown compounds on two
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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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break-fast‚ lunch‚ and dinner‚ I tried to explain to her that the reason I left the Institute‚ at the end of my junior year‚ was to accept a generous offer put forth by Tommy Hagsmight‚ an iconic tattoo artist and owner of the multinational corporation‚ ‘Ink It Baby.” My mother‚ of course‚ didn’t care one iota‚ that Tommy would personally mentor me during my three year apprenticeship or that the corporation had agreed to pay for the apprenticeship program‚ license‚ seminars‚
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1 Eco Pen: Recycled Ballpoint pen Ink from Motor Oil Proponents: ACLAN JR‚ VIRGILIO P. ALDAMA‚ ALLIAH A. DE CHAVEZ‚ MYLENE JENVER E. MANGERON‚ AIRELL M. MASONGSONG‚ JOHN MICHAEL L. Colegio de San Juan de Letran - Calamba RESEARCH PROJECT PROPOSAL 2 Significance: Can you imagine how many historical documents were written with ink? What if ink were not invented? Probably we don’t have this idea or maybe this paper. Inks and oils are very useful in our daily lives
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Experiment 2: Dehydration of an Alcohol: Distillation and Gas Chromatography Preparation of Methylcyclohexenes Purpose: The basic purpose of this experiment is to carry out the dehydration of an alcohol and isolate the reaction products by distillation. Gas Chromatography will be utilized to analyze the reaction mixture. Table of Reagents: Compound (g) Molecular Weight (g/mol) Grams (g) Moles 6 mL of 2-methylcyclohexanol (C7H14O) 114.19 g/mol 6 mL x 0.943g = 5.66 g 1 mL 5.66 g x
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exposed to pen ink Abstract To test the hypothesis that termites are more attracted to ballpoint pens than pencils‚ highlighters‚ and sharpies. A random-single termite was given out of a jar of termites and placed in a petri dish‚ which trapped the termite. Paper‚ pencils‚ pens‚ highlighters‚ and sharpies were also given out. Each group drew multiples circles on the paper with all 3 of the writing utensils. The circle the class used was shaded in halfway with paper mate pen ink and the other
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1F90 Experiment #2 Aerobic and Anaerobic Metabolism Caleb Coolen 5407754 Lab Section 21 Experiment Performed: October 10‚ 2013 Lab Partners: John Elgersma‚ Sandra-Lynn Plourde & Taylor Spratt Abstract: Materials and Methods: Methods and materials used in this experiment can be found in the BIOL 1F90 Laboratory Manual (Martin‚ 2013)‚ Experiment # 1‚ pages 2-5. Results: Table 1: Culture Sample Chromatography Rf Values Sample of Spot Distance from Origin (mm) Solvent Front (mm) Rf
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THE FEASIBILITY OF DERIVING ALTERNATIVE HIGHLIGHTER INKS FROM POWDER-PUFF FRUITS (Barringtonia racemosa) December 14‚ 2012 CHAPTER 1: I. Background of the Study A highlighter is a form of a felt-tip marker pen which can be used to draw attention to certain words or sentences of documents by marking them with translucent‚ see-through colors. It is an essential stationary item for students as well as working people. The ink used in a highlighter pen or in any other pens plays an important
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“The Identity Crisis Under the Ink‚” by Chris Weller was an article revolving tattoos as well as how they are represented as an identity towards the carrier‚ which can also be used as a way to establish an understanding of who they actually are. As Weller discusses how these marking on the skin can be more than just a tattoo but can have a profound meaning behind it‚ which corresponds to‚ “Tattoos helped add a dash of specificity by signaling individuality in the same ways a birthmark or scar might
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* Assuming E-Ink gets the money it needs to stay alive‚ what would be your top development priorities if if you were the CEO? * Which markets should it attack? And which business model should it adopt? Considering that E-Ink would get the necessary money to stay alive‚ the main and most importat point that should require a very deep analysis would be in what type of products and in what kind of target markets would the company operate in the future‚ in order‚ to achieve the final goal
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