Chromatography Abstract Paper chromatography is one of the methods under chromatography‚ it can use in identifying unknown compounds using known compound and it can also use as a separation technique based on the differences in affinities of components of the mixture to a stationary phase and a mobile phase. In the experiment‚ the stationary phase was the filter paper onto which the dye samples were dropped onto while the mobile phase was the solvent mixture containing ethanol and water which
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Ordinary Level ENGLISH LANGUAGE 1123/12 May/June 2014 Paper 1 Writing 1 hour 30 minutes No Additional Materials are required. * 7 9 8 5 3 1 3 0 4 5 * READ THESE INSTRUCTIONS FIRST An answer booklet is provided inside this question paper. You should follow the instructions on the front cover of the answer booklet. If you need additional answer paper ask the invigilator for a continuation booklet. NB: Remember that Section 1 and Section 2 of this paper are worth the same number of marks‚ so you should
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The Federalist Papers A Penn State Electronic Classics Series Publication The Federalist Papers is a publication of the Pennsylvania State University. This Portable Document file is furnished free and without any charge of any kind. Any person using this document file‚ for any purpose‚ and in any way does so at his or her own risk. Neither the Pennsylvania State University nor Jim Manis‚ Faculty Editor‚ nor anyone associated with the Pennsylvania State University assumes any responsibility for
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Analysis of Food Colorings by Paper Chromatography Introduction Paper Chromatography one method for testing the purity of compounds and identifying substances. This is a useful technique because it is relatively quick and requires small quantities of material. Separations in paper chromatography involve the same principles as those in thin layer chromatography. The substances are distributed between a stationary phase and a mobile phase. The stationary phase is usually
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listened to multiple political science essays in the last few weeks of my Honors Colloquium class‚ some essential concepts really stuck out to me and resonated in my mind. The idea of a utopian society that was brought forth in class got me thinking of how our world would be like today if we adopted some utopian methods of living. In America we are very blessed to live in the land of opportunity yet we are always focused on what is the next and best opportunity for us to seize. The American people
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Pentagon Papers; The Truth to War On June 31‚ 1971‚ President Nixon picked up a copy of his New York Times newspaper and found the 1st story on the Pentagon Papers. The Pentagon Papers was a hidden government document that had information on the Vietnam War. It was also a government study in Southeast Asia. Daniel Ellsberg knew that the government was hiding something. Daniel Ellsberg was a political activist. He was the one who leaked the information to the New York Times. Daniel Ellsberg
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industry‚ and education). The group began to split and the splinters moved west. “A truly second Promised Land‚ an Eden‚ an Elysium‚ a new Earthly Paradise.” (“America and the Utopian Dream”) The Shakers are the essential utopian community to which all others are compared. The Shakers are the longest lived American utopian community. Many examples of influence in Shakers are shown in fashion‚ textiles‚ music‚ and furniture design. In 1774 Ann Lee got visions from God showing a celibate life‚ and
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Business Plan: Paper Recycle & Reuse 1. Introduction a. The name of my business is “All Papers”. b. The business is about recycle and reuse paper 2. Business Description a. The company will collect the second hand paper‚ cardboard box and textbooks then turns into pencil‚ gift box and white papers. b. Paper is one of the most common daily use‚ recycle paper will have a low cost to get the processed materials and low risk. c. The main goal for this business is
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Recrystallization Estopace‚ Edgie1‚ Polintan‚ Clarisse K. Professor Edgie Estopace‚ School of Chemical Engineering‚ Chemistry and Biotechnology‚ Mapua Institute of Technology; Clarisse Polintan‚ CHM145L/A21‚ School of Chemical Engineering‚ Chemistry and Biotechnology‚ Mapua Institute of Technology ABSTRACT This experiment is all about identifying the appropriate solvent for recrystallization and technique and to use the recrystallization technique in purifying a solid sample. Most organic
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In the novel Paper Towns by John Green‚ Quentin Jacobsen is a senior in high school who is on a mission to rescue his runaway love and neighbor‚ Margo Roth Spiegelman. As children Margo and Quentin were inseparable‚ everything they did they did together. Margo and Quentin formed a bond that seemed unbreakable. But as time went on‚ and they grew apart‚ Quentin found his identity in doubt; he begins questioning himself. Quentin experiences a loss by losing a friendship he thought would be everlasting
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