take a melting point for reference) • add a boiling chip or boiling stick (otherwise‚ it may "bump" and spill) • use a minimum amount of hot solvent (Add a bit‚ heat/swirl. Not dissolved? Add more!) NOTE: IF YOU USE TOO MUCH SOLVENT‚ YOU WILL GET NO CRYSTALS! 3) ONLY IF NEEDED: Decolorize • most pure compounds are white and give colorless solutions (looks like water) • to remove color (really trace contaminants)‚ add activated charcoal (adsorbs the impurities) 4) ONLY IF NEEDED: Gravity filter to remove
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Isn’t Worth Messing With” Daly‚ Melissa. "Meth: Isn’t Worth Messing With." Current Health 2 35.1 (2008): 26-29. Health Source - Consumer Edition. Web. 28 May 2014. "I didn’t think it was a big deal‚" says Jose‚ now 17‚ of his first time trying crystal meth. When Jose was 13‚ a girlfriend offered him some‚ saying it would give him a good rush. He figured‚ why not — it would just be a one-time thing. "I’d smoked marijuana before‚ but I didn’t know how to deal with this high‚" says Jose‚ from California
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Crystal Reports |Crystal Reports is the standard reporting tool for Visual Studio .NET used to display data of presentation quality. You can display | | |multiple-level totals‚ charts to analyze data‚ and much more in Crystal Reports. Creating a Crystal Report requires minimal coding since it| | |is created in Designer interface. It is available as an integrated feature of Microsoft Visual Studio .NET. | | With Crystal Reports for Visual Basic.NET‚ you
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Jett Theology 22 February 2013 The Dark Crystal The Dark Crystal is an allegorical movie that shows the relationship of good and evil in not only the bible but also the current world. In this movie Jen‚ the supposed last of the Gelflings‚ is sent on a quest to repair the dark crystal insuring that Skeksis don’t rule their world forever. Upon his fulfillment of the prophecy the dark and light (good and evil) are united as one being. The Dark Crystal has many components that lead the audience
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Material can be made to withstand extreme temperatures limits. * Used for switches and keyboards. Thermochromic Ink * These materials change colour when there is a change in temperature. * Thermochromic ink comes in two forms: Liquid crystals and Leuco dyes. * Leuco dyes are easier to work with and allow for a greater range of applications. * Applications of thermochromic ink include: flat thermometers‚ battery testers‚ clothing. Mr
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Marketing 7100-01 Crystal Pepsi A Giant’s Failure Fawad Anwar 6/24/2014 Crystal Pepsi: A Giant’s Failure I. Introduction Brief history of PepsiCo Brief Overview of Crystal Pepsi II. Marketing Mix Product – Crystal Pepsi and its product strategy (answering what and why) The making – Crystal Pepsi Launch Taste – The different taste promised by PepsiCo to its consumers Packaging – The attractive packaging
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Crystal Palace Describe the exhibition come about‚ what was the reason for it‚ the understanding that the industrial revolution is permanent‚ not some strange thing thats happening to society . The description has to give us insight to why the exhibition was important and to modernism. Two Parts: Building itself- dimensions‚ what does it mean when you build with iron and glass (to form an interpretation)‚ no internal supports which creates space to exhibit. Linear thinking‚ transparency‚ pre-fabrication
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HOLIDAYS HOMEWORK Chemistry PRESENTED TO: MISS SAIMA BY: Fatima JEHANGIR GRADE: 9(O) METOHDS OF PURIFICATION & ANYLYSIS Filtration Filtration is a mechanical or physical process to separate solid particulates from fluids Filtration is a technique used to separate a solid from a liquid. The solid is separated from the liquid phase by passing the mixture over a filtering media. Filtering media is characterized by being chemically inert to the mixture
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Organizational structures recognized since the prehistoric eras of hunters in tribal organizations through highly royal and clerical power structures to industrial structures and today’s post-industrial structures. Organizational structure involves activities‚ namely coordination‚ supervision‚ and task allocation‚ which were focused towards the achievement of organizational goals. The purpose of this research is to evaluate the statement that “organizational structure reflects and reinforce an unrealistic
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material changes color. They are used to determine whether a drug is present at the scene. 4.) Microcrystalline tests involve exposing the substance to a reagent and then examining the color and morphology of the crystals that form. This can provide the shape‚ color‚ size‚ and crystal formations of the specific drug. 5.) Spectrophotometry is a method to measure how much a chemical substance absorbs light by measuring the intensity of light as a beam of light passes through sample solution. It is
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