Column and thin layer chromatography of plant pigments CHEMISTRY 201L EXPT 04 PAGE 01 - 12 Noel Angelo P. Kalacas*‚ Hanna Mae Laluces‚ Ina Bianca Lanuza Department of Chemistry‚ College of Science *Corresponding author; e-mail: knight_BeNcH66@yahoo.com Abstract Chromatography is a powerful technique for separating and/or identifying the components in a mixture. There are different types of chromatography and each has its own strengths and weaknesses. In this experiment‚ pigments of the
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Separation of Amino Acids by Paper Chromatography Chromatography is a common technique for separating chemical substances. The prefix “chroma‚” which suggests “color‚” comes from the fact that some of the earliest applications of chromatography were to separate components of the green pigment‚ chlorophyll. You may have already used this method to separate the colored components in ink. In this experiment you will use chromatography to separate and identify amino acids‚ the building blocks of proteins
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definitely grown not only as a writer but as a student overall through completion of several term papers and activities. As I reflect on this school year‚ I am thankful for enrolling and for the experience SUPA History has given me. The materials and objectives of SUPA History has given me the confidence to feel capable of meeting college standards upon my arrival to a university. The first term paper I was assigned stressed me out! I was so overwhelmed by the thought of having to write at a college
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combined all three sources and represented them as the dependence of the theoretical plate height (HETP) on the mobile phase linear velocity. Originally‚ it was introduced for gas chromatography‚ but it happened that the same physical processes occurs in HPLC‚ and this equation is perfectly fit for liquid chromatography. Multiple path The velocity of mobile phase in the column may vary significantly across the column diameter‚ depending on the particle shape‚ porosity‚ and the whole bed structure
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SUMMER INTERNSHIP PROJECT REPORT ON- SOURCES OF FUNDS FOR NBFCs AND ANALYSIS OF FINANCIAL STATEMENTS SUBMITTED BY- JYOTSNA GOEL B.COM. (HONS) IST YEAR (SESSION 2011-2012) ROLL NO: 11/378 SHRI RAM COLLEGE OF COMMERCE UNDER THE GUIDANCE OF- MR. ANURAG GOEL VICE PRESIDENT (TREASURY) RELIGARE CORPORATE SERVICES LIMITED CERTIFICATE This is to Certify that Jyotsna
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Supplies Sink w/ running water Liquid soap Trash can Hand lotion Disposable paper towels Assessment (Data Collection) Step 1 Action Determine length of time needed for handwashing according to task at hand or degree of spoilage. Rationale The longer the washing‚ the more microorganisms are removed Planning Step 2 Action Check that the soap and towels are at hand before beginning. Rationale Saves time Step 3 Action Crank out towels from dispenser so they are ready to tear off
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GM‚ Kriz GS‚ Engel RG. (2011). A Small Scale Approach to Organic Laboratory Techniques. Location: Unknown. Publisher: Mary Finch (August 10‚ 2006). Retrieved November 13‚ 2012‚ from http://www.chem.ucla.edu/~bacher/General/30BL/gc/theory.html Chromatography. Introductory Theory. Retrieved November 13‚ 2012‚ from http://teaching.shu.ac.uk/hwb/chemistry/tutorials/chrom/chrom1.htm
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Yuri Anthony D. Sucgang BMLS-IA Electrophoresis Machine Gel Electrophoresis Apparatus(Aragose Gel) Electrophoresis is the motion of dispersed particles relative to a fluid under the influence of a spatially uniform electric field. Gel electrophoresis is a laboratory procedure used to separate biological molecules with an electrical current. In this lesson‚ we’ll review how agarose gel electrophoresis works and introduce the equipment necessary to perform an electrophoresis experiment.
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United we stand‚ divided we fall The Federalist Papers Number 10 is written by James Madison and explains the necessity of the Constitution to protect our country from factions. A faction is “a number of citizens‚ whether amounting to a majority or minority of the whole‚ who are united and actuated by some common impulse of passion or of interest‚ adverse to the rights of other citizens‚ or to the permanent aggregate interests of the community (Publius‚ 72).” Publius states that there are two ways
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Unit 4 Review. 1. Which is not a method for collecting a toolmark on a doorframe? a. casting that portion of the doorframe b. photography b. removing that portion of the frame c. making a rubbing of the mark on the frame 2. Which tool most likely made these striations? a. pry bar b. screwdriver c. Pliers d. bolt cutter 3. Analysis of radial cracks from three impacts revealed that cracks from A stopped at cracks from Z. Cracks from Z stopped at cracks from B. Which is the correct order of the impacts
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