Dyes by TLC Pre-lab Properties: Ethyl acetate‚ ethanol‚ silica‚ azobenzene‚ azulene‚ 4-(p-nitrophenylazo) resorcinol‚ methyl red‚ bromocresol green (solubilities in water and ethanol) Purpose: To identify compounds from an unknown mixture using TLC Up to 100% of missed points can be recovered from this lab Watch the video: http://www.youtube.com/watch?v=e99nsCAsJrw (MIT) TLC plates are near the main hood DO NOT BREAK CAPILLARY TUBES Keep spots small and concentrated (video) Stop TLC before solvent
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GROUP 2 Kinetics of De-esterification for Synthesis of Benzoic Acid BATCH REACTOR Shane Bulk Chris Crosley David McGuire Max Skula Yunjing Song Shriram Sundarraj Nelson Zhou 155:416 Process Laboratory II Professor Jerry Sheinbeim January 28 – February 28‚ 2014 ABSTRACT The observed reaction that took place in this experiment was the de-esterification of ethyl benzoate to form benzoic acid. This experiment was used to determine the rate constant k of the synthesis of benzoic
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| Mount Everest 1996 Expedition Case Study | | There were several decisions that were made by Fischer and Hall that may have contributed to the loss of lives on Mount Everest in May 1996. We have analyzed the decisions
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1. What is your evaluation of Scott Fischer and Rob Hall as leaders? Did they make some poor decisions? If so‚ why?(Required) I believe that due to their experience with climbing Mount Everest‚ Hall and Fischer might have lead the people better than other guides but made some critical mistakes. Although they gave the opportunity for people to climb the highest mountain in the world and helped them achieve that goal‚ they made some poor decisions that eventually lead to death of their clients and
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Expt. 8.1 Thin Layer Chromatography (TLC) Analysis of Analgesics Krista Jinks CH 211L Section F 10/27/14 I. Abstract: The objective of this experiment was to analyze analgesic tablets by TLC to determine what analgesics they contain. The analgesics that could be in the tablets included ibuprofen‚ acetaminophen‚ aspirin‚ and caffeine. Through the use of TLC‚ unknown substance #62 was found to be Bayer Aspirin because it only contained aspirin. II. Introduction: 1. Briefly describe
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MARCUS AND FISCHER Ethnography – concern with descriptions Experimental moment – eccectical‚ free of authoritarian paradigm‚ interpretive‚ anti-establishment; Positivism vs. interpretive SELF-CRITIQUE – discrupts common sens‚ remise en question of assumptions 1. First predicament : sensitivity to cultural difference 2. Second predicament : status of anthropology as a cultural critique (reflection of self through studying alien culture). DUALITY-Palestinian and American‚ Said 50s linguistics
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Many people would agree that without faith‚ the world would be in chaos. The book Christian Foundation by Kathleen Fischer and Thomas Hart gives an interpretation on faith in our time. Many people would question the definition of faith. Faith is a gift‚ which is given by God to have trust in him and belief in him. This book is a great entry in anyone’s life that has speculation on his or her own faith. The book has many ways into understanding ones own religion. It discusses the Bible‚ Jesus‚ Church
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Dietrich Fischer-Dieskau Albert Dietrich Fischer-Dieskau was a lyric baritone during the 1900s. A German native‚ Fischer-Dieskau‚ had a large voice full of resonance. He lived a long‚ successful life and would come to be known as the most influential singer of the 20th century (Sadie 6: 614; Kettle). Dietrich Fischer-Dieskau was born in Berlin‚ Germany on May 28‚ 1925. At a young age‚ Fischer-Dieskau enjoyed making music. His mother taught him how to play piano‚ and he continued to play all throughout
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FISCHER TECH LIMITED Adriel Timothy Lim 1.OVERVIEW OF CASE 1.A Background Fischer Tech Ltd is a Singapore home grown company‚ founded by Mr. Choon King Tan‚ and established since June 1994 is a specialist manufacturer of high volume precision engineering plastic components for new electronic product innovations. The company owns injection and molding machines both hydraulic and electric type to undertake these challenges. The Company ultimately operates in two segments: 1. High-precision
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