Experiment 4 – Liquid Phase Chromatography I. Objectives This experiment’s goal is to explore one-dimensional and two-dimensional paper chromatography. II. Schematic Diagram of the Procedure PAPER CHROMATOGRAPHY Wash leaves‚ cut them into smaller pieces; in a mortar macerate them in circular motion Add 8mL ethyl alcohol to extract pigments‚ continue macerating until finely grounded Transfer extract to evaporating dish‚ allow to conc‚ don’t let extract to dry out Concentration
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Colorado Technical University SCI 101 Phase 1 DB2 Instructor: Kenneth Gordon Amanda VonKaenel February 19‚ 2013 For several years Bisphenol A (BPA) has been used in many plastic bottles and metal based food and beverage containers and have thought to be safe. However in 2012‚ researchers argue that they have some concern about the potential effects of BPA on the brain‚ behavior‚ and prostate gland in fetuses‚ infants‚ and young children. The FDA is taking steps to reduce the exposure of
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7 Possible generator arrangements This section discusses various generator arrangements and their suitability for use in the conversion of a traditional windmill. The generator arrangement may include a speed-increasing gearbox or belt-drive and/or a power electronic frequency converter. See also the Appendix: Background information on induction generators. 7.1 Fixed-speed induction generator Many modern wind turbines (especially those manufactured during the 1990s) use a four-pole induction generator
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7 Negative Effects of Facebook Though Facebook may be fun to use and is a great way to talk to friends‚ it actually has many side effects. More negative than positive‚ if you were curious. Below describes some of these negative side effects. Here are 7 Negative Effects of Facebook: Does not Care about His/Her Surroundings When someone is already addicted to Facebook‚ there is a big possibility that he/she would not care about his/her surroundings. This person will care about nothing more
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company has decide to involve in international marketing‚ they have to do study and analysis of market potential in the country they interested to do business so that they can decide the level of involvement they would like to commit. There are 4 phases of international marketing involvement; which are no direct foreign marketing‚ infrequent foreign marketing‚ regular foreign market and international marketing. In no direct foreign marketing stage‚ the company may not actively involve in international
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The Seven Key Elements of Fiction: 1. CHARACTER There are two meanings for the word character: 1) The person in a work of fiction. 2) The characteristics of a person. Persons in a work of fiction - Antagonist and Protagonist o One character is clearly central to a story with all major events having some connection to this character; o She/he is the PROTAGONIST. o The character in opposition to the main character is called the ANTAGONIST. The Characteristics of a
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Sexuality at Different Life Stages Florence C. Okonkwo PSY/265 January 20‚ 2013 Professor Pamela Reeves Introduction This paper will outline sexuality at different life stages‚ and as a sexual therapist I will coach an adolescent girl with a boyfriend who is pressuring her to have sex; an elderly couple with a wife exhibiting a renewed interest in sexual activity and a unwilling husband; and finally a handicapped male that has been paralyzed since he was four years old. Sexuality at Different
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Orgon is a man that took a leap of faith and put trust into a complete stranger. The ignorance of this situation is metaphorical to the betrayal of a snake. A person puts their trust in a snake and is saddened by the disloyalty but after all‚ the person knew it was a snake from the beginning. Is the victim of betrayal sometimes at fault? Also Tartuffe had a loss of virtue once he committed some of the deadly sins. Orgon was also enlightened by the end of the situation‚ he was ashamed that he had
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Phase 5 Individual Project Colorado Technical University Quatassa Trotter MGM 340 March 26‚ 2013 PHASE 5 INDIVIDUAL PROJECT Abstract As a consultant for ABC consulting group‚ I have been assigned an assignment which includes the selection of 2 for-profit firms from the fast-food industry. My firm has been contracted by XYZ Venture Capital Group to give advice about where to make a significant investment. My consulting firm’s depth and analysis will be compared with other consulting outfits
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SCI203 Phase 2 Lab Report SPECIATION Sharon Patton June 1‚ 2015 Colorado Technical University Purpose The purpose of this lab is to explain what would happen if a species were split into two groups by an earthquake‚ creating a physical barrier between the two groups. Showing how the formation of a new species can evolve. Introduction Speciation is when a species is created from the splitting of a species. In other words if a group of a certain species is separated say by an earthquake
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