putty also mainly contains chalk as a filler in linseed oil. Chalk may be used for its properties as a base. In agriculture‚ chalk is used for raising pH in soils with high acidity. The most common forms are CaCO3 (calcium carbonate) and CaO (calcium oxide). Small doses of chalk can also be used as an antacid. Additionally‚ the small particles of chalk make it a substance ideal for cleaning and polishing. For example‚ toothpaste commonly contains small amounts of chalk‚ which serves as a mild abrasive
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Granular 1.32 Lime Slurry Ca(OH)2 Slurry 0.56 to 0.33 1.25 The manufacture of quicklime involves the heating of excavated limestone in a lime kiln to temperatures above 900°C resulting in carbon dioxide being driven off and calcium oxide being produced (see Figure 2). The chemical equation is as follows: CaCO3 The material type and condition of the existing pavement material will govern the application rate and construction practices. In order to understand the properties of
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commodity product and competing primarily on price and its closeness to the customer led it to discover market opportunities that it had the expertise to capitalise on. The first such product was Three-M-Ite™ Abrasive - an abrasive cloth using aluminium oxide for durability in place of a natural abrasive. This was followed by waterproof sandpaper - an idea bought from an inventor who subsequently came to work for 3M. This was followed shortly by Wetordry™ - a product designed for use by the car industry
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GREEN MUSSEL (Perna Viridis) SHELLS AS AN ADDITIVE COMPONENT IN HOLLOW BLOCK MAKING Abstract Hollow blocks have an important place in modern building industry. They are cost effective and better alternative to burnt clay bricks by virtue of their good durability‚ fire resistance‚ partial resistance to sound‚ thermal insulation‚ small dead load and high speed of construction. Hollow blocks being usually larger in size than the normal clay building bricks and less mortar is required‚ faster
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chemicals‚ glass‚ etc. Finally‚ while performing the lab‚ keep Magnesium away from open flames at all times. Procedure: 1. Refer to handout Results: Data Table Mass (g) Crucible Crucible+magnesium Crucible + Magnesium oxide 23.4433 23.7018 23.8894 Observations: 1. Clay triangle and crucible glow red when heated by bunsen burner. 2. While being strongly heated‚ Mg appears
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metal was named according to place where it was found‚ the Cyprus islands. Copper produced in massive stars and spread in the world as minerals like chalcocite and chalcopyrite (sulfide of copper)‚ azurite and malachite (carbonate of copper)‚ cuprite (oxide of copper). The atomic number of copper is 29 and the atomic mass is 63.546‚ which means that mentioned element has 29 electrons‚ 29 protons and 34 neutrons. Moreover‚ it has 29 isotopes. Some of them are resistant and other are radioactive. Copper
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The global market for ethylene glycol is expected to reach USD 33.36 billion by 2020‚ according to a new study by Grand View Research‚ Inc. Growing demand for polyethylene terephthalate (PET) for packaging applications‚ primarily in Asia Pacific and Latin America is expected to remain a key driving factor for the market. In addition‚ growth from global textiles industry is also expected to support the ethylene glycol market development over the forecast period. Volatile prices and tight supply of
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The word padparadscha is derived from a Sanskrit term ‘padma raga’ which means (Padma= Lotus‚ Range= Color) the color of lotus flower. The padparadscha is a gemstone variety of mineral corundum. It was first mined in Sri Lanka. This type of gemstones belongs to the family of sapphires. It is the rarest of all the colors of sapphires. It is believed that this gemstone is the most durable. Padparadscha is cut in a number of shapes such as circle‚ cushion and oval. The colour tone is available from
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Dolomite Calcination system for magnesium we are the leading company of magnesium production lines both at home and abroad‚in the year 2011‚we have signed an annual output of 100000 tons of magnesium metal project with the world iron and steel giant Korean Pohang iron POSCO company. Magnesium Calcination Process The company’s magnesium production line is very famous‚ at present‚many famous enterprises at home and abroad have chosen to cooperate with our company. step1: Calcined--The calcined
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The case highlights on CSR responsibilities of ITC Company towards its customers. It brings out new dimensions such as economic‚ social and environmental which are important in modern world. The case depicts different facets such as ITC’s social performance and adaption of Triple Bottom Line (TBL) to establish Corporate Environmental Responsibility (CER). It highlights the concern for companies like ITC whose major earning are from cigarettes to reinvent their strategy towards environmental degradation
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