Photocatalytic degradation of methylene blue using TiO2 nanoparticles Nupur Mittal Chemical Engineering‚ IIT (BHU) Varanasi. Abstract: The aim of this research is to reduce the pollution caused by methylene blue dye in waste water coming from textile industries. For this purpose‚ TiO2 nanoparticles are made as they show good photocatalytic activity in degradation of dyes into harmless products. Synthesis is done using titanium butoxide and 2-propanol. The particles formed were a little larger
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Standard Test Methods for Chemical Analysis of Hydraulic Cement1 This standard is issued under the fixed designation C 114; the number immediately following the designation indicates the year of original adoption or‚ in the case of revision‚ the year of last revision. A number in parentheses indicates the year of last reapproval. A superscript epsilon (e) indicates an editorial change since the last revision or reapproval. 1. Scope* 1.1 These test methods cover the chemical analyses of hydraulic
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Profitability Analysis • In the last 5 years we can see the profitability ratios of the company taking a beating. • Especially in the last 2 years‚ these margins have drastically dropped. • As a result of this‚ the company’s profit margins have dipped and in this particular the company has incurred a loss. • As we can see in the graph‚ Net margin ratio has been affected and has seriously dipped in the past years. • Though gross margin and operating margin have looked like increasing‚ these
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VCE Chemistry Week 1 - Chemical Analysis (1) Horizen Education February 8‚ 2013 1 1.1 Review: Gravimetric and Volumetric Analysis Gravimetric Analysis Solubilities Always soluble: Usually soluble: Exceptions: Na+ ‚ K+ ‚ NO3− ‚ CH3 COO− ‚ NH+ 4 Cl− ‚ I− ‚ Br− i. Sodium carbonate and Silver nitrate ii. Iron (II) sulfate and Lead (II) nitrate iii. Sodium nitrate and Nickel sulfate iv. Potassium hydroxide and Copper (II) nitrate v. Sodium sul de and Cadmium sulfate Ho
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UNIVERSITY OF SAN CARLOS CEBU CITY‚ PHILIPPINES Soren Kierkegaard: Stages on Life’s Way _________________________________ A Term Paper Presented to Ms. Maria Majorie R. Purino‚ Ph. D. _________________________________ In Partial Fulfillment of the Requirement for the course PHILOSOPHY 25: PHILOSOPHY OF THE HUMAN PERSON ________________________________ By Peter Macabinguil October 2011 Introduction Soren Kierkegaard writings basically speak about how human live
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Dow Chemical - Business Analysis Part 2 Cherry Fugate-Lange Management 521 June 7‚ 2012 Dr. Albert Smothers Dow Chemical - Business Analysis Part 2 Historically‚ the chemical industry has operated in a competitive environment‚ which is not anticipated to change. Dow experiences significant competitions in each of its operating segments as well as in each of the geographic areas in which it operates. Dow competes globally on the foundation of quality‚ technology‚ price‚ and customer service
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Summary Standard Chemical is a company that processes volatile toxic chemicals that are sold for commercial use. The HR manager‚ Jacobson‚ attended a drug and alcohol abuse seminar and realized that the company did not have a policy. Safety is a critical issue at Standard Chemical because of the potential environmental hazards; therefore‚ the HR manager thought it would be smart to implement a drug and alcohol abuse policy. To make sure the managers do not abuse this new policy to get rid of unnecessary
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or organic products. After all‚ agave comes from a plant so it must be healthy‚ natural‚ and great for us‚ right? As it turns out‚ this is not necessarily the case. In the past few years‚ I used agave syrup or nectar in several recipes before I heard some negative things about it. I have looked at where agave comes from‚ the chemical composition‚ how it is metabolized‚ calorie content and what it may be used for. Only now do I have a full grasp of the process it goes through to be used as a
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Corporate Finance Case Discussion : ‘Diamond Chemicals Plc (A)’ 1. Purpose: This case presents the capital investment decision under consideration by executives of a large chemicals firm in January 2001. This involves a go/no-go project evaluation regarding improvements to a polypropylene production plant. A critical assessment of a capital investment evaluation system is the focus of this case. The case also enables discussion on conflicts of interest and other ethical dilemmas that may arise
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the attack. However‚ this time‚ instead of being struck by a bomb‚ they were struck by a chemical warfare agent (CWA) known as sulfur mustard‚ which destroyed their home‚ murdered their newborn child‚ and resulted in weeks of intense medical care. The use of chemical weapons during World War One revolutionized chemical warfare. Since WW1‚ chemical weapons have grown in popularity. The experience with chemical weapons (CW) in WW1‚ the Northern Yemeni War‚ and Syria demonstrates why the production and
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