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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an Author?" Michel Foucault (1926 1984) dealt with many aspects of social philosophy during his career‚ but it is his philosophy surrounding the role and dominance of the author in modern literature that this essay aims to deal with. From the 19th century onwards‚ Foucault notices that through social and political frameworks‚ the presence of an author vastly dominates the content and categorisation of any publication of that author. He also throws into question the idea of when an author becomes
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160791 America in the late nineteenth century was full of women poets who hungered for freedom of different sorts. Through journalism they were able to express their personal life issues or be the voice for the other women of America. Two phenomenal authors that we’ve studied were Emily Dickinson and Charlotte Gilman. Dickinson’s untitled poems & Gilman’s The Yellow Wallpaper both expressed their lack of freedom and provident injustices. While both Dickinson and Gilman were secluded from the outside
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the Irony of History". Shakespeare Quarterly. Vol. 24‚ No. 3. 1973. 301–308. * Wells‚ Stanley and Michael Dobson‚ eds. 2001. The Oxford Companion to Shakespeare Oxford University Press External links[edit] | [show] * v * t * eWilliam Shakespeare ’s Julius Caesar (1599) |
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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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Abstract: One is to determine the gap energy of cadmium sulfide semiconductor thin film using the equation: Eg = h.c/ is the signal of the long wavelength limit of the absorption peaks (measured in the lab). The reaction between cadmium sulfide and NH3‚ in the presents of thiourea yield a of 579(nm). The % error of the reaction is 1.24%. Introduction: There are 3 types of metals for electricity conducting: metallic conductor‚ semiconductor‚ and superconductor. Metallic conductors
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“What is an Author?” Summary Foucault begins his essay by introducing the essence of an author as an individualization of many different fields including knowledge‚ sciences‚ literature‚ etc. Without addressing anything directly‚ he focuses right on the relationship between an author and a text‚ regarding that the text points toward the author as a figure who has created and is on the exterior of the text. Foucault begins his thesis with a quote by Beckett to summarize the theme of his essay
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http://www.brainyquote.com/quotes/quotes/s/simonmainw494031.html#4wh4YPULc2ItXlSB.99 Biography Author Profession: Businessman Born: 1967 If you think of the ideas of open source applied to information in an encyclopedia‚ you get to Wikipedia - lots and lots of small contributions that bubble up to something that’s meaningful. Matt Mullenweg Read more at http://www.brainyquote.com/quotes/quotes/m/mattmullen652982.html#Y619UOvOcKfS4xFW.99 Biography Author Profession: Businessman Nationality: American
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