grinder for super-fine grinding materials with hardness less than 6 in Moh‘s scale and humidity less than 6 percent such as kaolin‚ limestone‚ basalt‚ calcite‚ marble‚ talcum‚ barite‚ gypsum‚ dolomite‚ bentonite mud‚ mica‚ pyrophyllite‚ sepiolite‚ carbon black‚ diatomite‚ graphite‚ alunite‚ fluorite‚ potassium feldspar‚ phosphorite‚ pigment‚ up to 200 kinds. The granularity (or final size) of the finished products can be freely adjusted between 325-3000meshes (0.045-0.0057mm)‚ and the capacity (ton/hour)
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content from humid air to be absorbed into it thus reducing the its efficiency. Next‚ during the impregnation process. The mixture need to stir continuously until it completely dried to ensure all KOH has successfully impregnate with the OPKS activated carbon. For the calcination process‚ the
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Uses &/or Descriptions Aluminum A light metal used in making airplanes‚ buildings‚ pots and pans‚ etc. Bromine Used in photography‚ medicines‚ insecticides‚ etc. Calcium A soft‚ metallic chemical element found in limestone‚ marble‚ chalk‚ etc. Carbon Found in coal‚ oil‚ gas‚ living things‚ and inks. Chlorine Used in bleach‚ in chemical to kill germs in swimming pools‚ and found with the element sodium in table salt. Chromium A shiny metal usde on bumpers of some cars‚ household fixtures‚ etc
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have caused a large climate drop. Scientist have proven that global warming is an issue‚ but to what effect. It has caused the glaciers in the North Pole to melt‚ and the winters needed for the survival of the wildlife to diminish. The expulsion of carbon dioxide is seen as the root cause of the issue we face today. If the people of the world don’t start making the right decisions to watch the products they use‚ the world as we know it will not last much longer. Auto makers have created many new
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to decrease costs and increase environmental safety. This new process will enable companies to create silicon-based products without using the old method of using compounds like quartz sand (Si0 )‚ high temperatures‚ an electrical current‚ and a carbon compound (to bond with oxygen) to create impure silicon metal. This process is very expensive and creates many toxic byproducts. Still the old processes impure silicon is not yet ready for use and must still be purified even further to insure quality
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Sample Paper –2013 Class X Sub: Science TIME – 2 ½ HOUR MAXIMUM MARKS = 60 (Each question carrys 1 mark) 1. Name the functional group present in CH3COCH3. 2. State modern periodic law. 3. Why are detergents harmful? 4. Define menopause. 5. Write the full form
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UNIVERSITY TUNKU ABDUL RAHMAN FACULTY OF SCIENCE BACHELOR OF SCIENCE(HONS)BIOCHEMISTRY YEAR 1 SEMESTER 1 UDEC1164 ORGANIC CHEMISTRY Name: Cheong Wai See Student ID: 1404057 Practical Group: 1 Title of Experiment: Name of Tutor: Dr. Mohammod Aminuzzaman Date: 24 February 2016 Tiltle: Nitration of Methyl Benzoate Objectives: -To prepare methyl-3-nitrobenzoate from nitration of methyl benzoate by electropilic aromatic substitution. -To calculate the percentage yield and get the melting point of methyl-3-nitrobenzoate
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determination and IR spectroscopy. Introduction: The major component of anise oil has the chemical formula C10H12O. This compound is said to be hydrogen deficient‚ meaning that it contains less hydrogen atoms than would be needed for each of the carbon atoms to have the maximum amount of hydrogen atoms attached. The IHD‚ or index of hydrogen deficiency for this molecule is 10. This indicates that there must be five rings or double bonds in the structure. Each of these would compensate for two of
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jewelry. Their jewelry does not include nickel as an alloy. Nexus Labs has a variety of colors in their fancy simulant diamond category. It includes glacial ice‚ champagne‚ light pink‚ deep brown and canary yellow. Comparison The added layer of carbon atom on the Asha simulant leads many to believe that it’s a superior option to Nexus diamonds. Since cubic zirconia has the tendancy to pit and gather oils over time‚ it can become cloudy and dirty. This doesn’t happen to Asha simulants because they
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mill is for super-fine grinding materials with hardness less than 6 in Moh`s scale and humidity less than 6 percent such as kaolin‚ limestone‚ basalt‚ calcite‚ marble‚ talcum‚ barite‚ gypsum‚ dolomite‚ bentonite mud‚ mica‚ pyrophyllite‚ sepiolite‚ carbon black‚ diatomite‚ graphite‚ alunite‚ fluorite‚ potassium feldspar‚ phosphorite‚ pigment‚ up to 200 kinds. The granularity (or final size) of the finished products can be freely adjusted between 325-3000meshes (0.045-0.0057mm)‚ and the capacity (ton/hour)
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