Chromatography lab Purpose: To separate food colorings into their component dyes using paper chromatography. Materials: Chromatography paper‚ Food coloring‚ Ruler‚ Pencil‚ Solvent solution‚ Test tubes‚ Test tube rack. Safety precaution: wear aprons‚ to make sure that you don’t get any of the alcohol on your clothes‚ and if you break a test tube you don’t get glass on you. Procedure: See-attached handout. Results: See chromatography with Audrey’s lab report.
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Ion Exchange Chromatography Week 10 TAG Question 1: Chapter 6-4 of your technique book provides a detailed description of how to run a ion- exchange column. Assume you have a cation-exchange column already prepared and ready to use. Create an outline of no more than 10 steps describing how you will regenerate the column‚ load your sample and collect the hydronium ion released. 1. Open the stopcock at the bottom of the column and allow solution to drain out until the solution level in the
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Abstract In this experiment paper chromatography was used in order to identify two unknown amino acids using eight known amino ones. The two unknown ones were identified by comparing the distance they travelled up the chromatography paper and their Rf values to the corresponding values of the other eight known amino acids. The unknown amino acids identified were Glycine and Methionine. Introduction Proteins in cells are important in many ways. There are different types of proteins such as
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7/6/2011 CELL DIVISION CHAPTER 3: CELL DIVISION 3.1 THE CONCEPT OF CELL DIVISION 3.2 THE CELL CYCLE 3.3 MITOSIS 3.4 MEIOSIS Related to the theory of cells Rudolph virchow ; 1855 stated; „Omnis cellula e cellula‟ Every cell is from a cell or “All new cells are derived from other cells” A cell (daughter cell) is originated from another cell ( ) through . In cell division‚ is inherited from one generation to the next. Involve the distribution of genetic material (DNA) to each daughter
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Division of Labor Introduction: The phrase “division of labor” has many different definitions that can be used in different contexts. The Encyclopedia of Sociology helps explore the many different ways division of labor can be defined‚ and recognizes that all major sociologists considered this topic to be fundamental in understanding modern society‚ and how it has came to be. (Borgatta Montgomery and Rhonda 2000). Some of these classical sociological thinkers expressed their own ideas of division
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ID-number: 0945782 0923568 Term Paper Handelshøyskolen BI - Wii U Case Study - Exam code and name: EXC 2112 – Consumer Behavior Deadline: 11.12.2013 Place of study: BI Oslo Programme: Bachelor in Business Administration Table of contents Table of contents.................................................................................................................i Summary iii 1.0 Introduction 1 1.1 Present situation 1 2.0 Swot analysis 2 2.1 Strengths 2 2.1.1 Unique features
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H&C-3-730 Rooms Division Management Topic 1 Management Functions in Rooms Division Learning Objectives Explain the major role of rooms division in a hotel. Identify the roles and responsibilities of rooms division manager. Describe the management process in terms of the seven functions of rooms division managers perform to achieve organizational objectives. Reference text: Kasavana ML‚ Brooks RM‚ Managing Front Office Operations‚ 8th edition‚ American Hotel & Lodging Educational
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Commercial mouthwashes are mixtures of water‚ alcohol‚ dyes‚ flavorings‚ and other compounds. In this experiment‚ you will use gas chromatography to determine the alcohol content of the mouthwash. Since the volumes of alcohol and water are not additive when mixed‚ a calibration curve must be used. It will provide the correction factor needed for alcohol-water mixtures. The calibration curve will be prepared by placing a known amount of alcohol in an alcohol-water mixture. The observed percentage
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dThe Division of Labor in Society (1893) [Excerpt from Robert Alun Jones. Emile Durkheim: An Introduction to Four Major Works. Beverly Hills‚ CA: Sage Publications‚ Inc.‚ 1986. Pp. 24-59.] Outline of Topics 1. Durkheim’s Problem 2. The Function of the Division of Labor 3. The Causes of the Division of Labor 4. Abnormal Forms of the Division of Labor 5. Critical Remarks Durkheim’s Problem In 1776‚ Adam Smith opened The Wealth of Nations with the observation that "the greatest
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UNIVERSITY Of ZIMBABWE FACULTY OF COMMERCE TOURISM‚ LEISURE AND HOSPITALITY STUDIES DEPARTMENT ROOMS DIVISION MANAGEMENT THM208 YEAR 2012 LECTURER: MRS. D ZENGENI Time table Monday 11.00-13.00hrs Tuesday 11.00-12.00hrs Preamble This course is designed to introduce students to the principles of accommodation management in hospitality industry. Emphasis will be placed on Rooms Divisions’ traditional role as the best generator of the hotel’s revenue as well as its principal operational functions
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