Identification of Metallic Ions Peter Jeschofnig‚ Ph.D. Version 42-0160-00-01 Lab RepoRt assistant This document is not meant to be a substitute for a formal laboratory report. The Lab Report Assistant is simply a summary of the experiment’s questions‚ diagrams if needed‚ and data tables that should be addressed in a formal lab report. The intent is to facilitate students’ writing of lab reports by providing this information in an editable file which can be sent to an instructor. obseRvations
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Chem 231: Organic Chemistry Lab EXPERIMENT #2 and #3 Extraction and Evaporation Recrystallization and Melting Point Measurement PURPOSE: 1. To the components of a simulated pharmaceutical preparation‚ Panacetin‚ and identifying the unknown component of the mixture through extraction and separation methods. 2. To learn how to purify by recrystallization‚ how to dry them and how to obtain a melting point. PRECAUTION: ACETANILIDE AND PHENACETIN ARE EYE AND SKIN IRRITANTS. Minimize
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20/04/2013 Pepsin Experiment Experiment protocol to test the effect of temperature on the enzyme pepsin Lab Day: Tuesday Lab Time: 10-1pm Are you in Lab G20 (furthest from BSB Student Office) or Lab G21 (closest to BSB Student Office)?: G20 Demonstrator Name: Tamsin Peters Names of Group Members: Roanna Humphries Daniel Markus Nicholle Cooke-Hayes Dean Do Rosario Pepsin Name of Enzyme You are Investigating: Table of Contents Table of Contents ........................
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What is cystic acne? Cystic‚ or nodulocystic‚ skin break out is an extreme kind of acne in which the pores in the skin wind up noticeably blocked‚ prompting irritation and bacteria. The skin condition essentially influences the face‚ frequently influences the upper arms and upper trunks. These breakouts can influence both males and females between the age group of 8 to 50. This can happen on the skin because of oil‚ dry skin cells and bacteria that get caught in your pores. The distinguishing attributes
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Background of the Story Onions are often chopped and used as an ingredient in various hearty warm dishes. Onions‚ along with many other plants in the Allium species absorb sulphur in the soil. Majority of households here in the Philippines experience irritation of eyes while cutting onions. Onions are common ingredients in cooking so it’s impossible to avoid cutting some. The onion has been used as an ingredient in various dishes for thousands of years by many cultures around the world. World onion production
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ingested may cause serious eye damage if in contact. Sodium Iodide may cause serious eye damage‚ corrosion or irritation causes skin irritation. Silver Nitrate may cause skin corrosion or irritation also may cause severe skin burns and eye damage‚ very flammable keep away from heat‚ sparks‚ open flames‚ and hot surfaces. Magnesium Nitrate may cause skin and serious eye damage‚ corrosion or irritation also it is very flammable. Calcium Nitrate Is very reactive and a oxidizer‚ It will also irritate any contact
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Current Research in Microbiology and Biotechnology Vol. 1‚ No. 3 (2013): 98-103 Research Article Open Access ISSN: 2320-2246 Study of Citronella leaf based herbal mosquito repellents using natural binders Nandini Rani‚ Aakanksha Wany‚ Ambarish Saran Vidyarthi and Dev Mani Pandey* Department of Biotechnology‚ Birla Institute of Technology‚ Mesra‚ Jharkhand- 835215‚ India * Corresponding author: Dev Mani Pandey‚ email: dmpandey@bitmesra.ac.in Received: 15 April 2013 Accepted: 27 April
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Journal Article Review #2: Consumers’ Attitudes toward Unsolicited Commercial E-mail and Postal Direct Mail Marketing Methods: Intrusiveness‚ Perceived Loss of Control‚ and Irritation by Ricky R. Roulston Data Analysis Methods BSBA #4 PURPOSE Utilizing Psychological Reactance as the framework‚ the study presented in this article sought to comprehend the nature and significance of consumer perceptions in relation to two primary direct marketing methods: unsolicited
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build vent system. Not applicable Mold Can form anywhere and on anything. Warm and humid conditions are a factor. Lung disease‚ nasal stuffiness‚ eye irritation‚ wheezing‚ or skin irritation unknown Control humidity levels and ventilation Not applicable Formaldehyde New furniture‚ particleboard‚ plywood‚ chipboard‚ and wood paneling Irritation of the eyes‚ nose‚ and throat; nasal cancer and lung cancer unknown Reduce humidity levels and increase ventilation Use exterior grade pressed wood products
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PROPERTIES OF REACTANTS [1] SOLVENTS | a. Hexane1Molecular Molarity: 86.18 g/molBoiling Point: 69 ºCMelting Point: -95ºCDensity: 0.659 g/mL at 25ºCWater Solubility: Insoluble in waterColor/Texture: Colorless/LiquidHazardous Information: May cause irritation to the eyes‚ skin and respiratory system. May cause drowsiness and/or dizziness. Suspected of damaging fertility or unborn child. May cause damage to organs. Toxic to aquatic life. Highly flammable liquid and vapor. May be fatal if swallowed.Structure:
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