Abstract-Timur Solid phase extraction is a sample preparation technique that overperform liquid /liquid extraction in its efficiency‚ labor intensity and waste disposal. The purpose of this lab is to learn how SPE can be used to identify trace amounts of Vanillin. Stock solution of vanillin in water with concentration of 50 ppm was prepared. Four solutions with concentration of 5 ppm‚ 1 ppm‚ 0.5 ppm and 0.1 ppm were made from stock solution. UV-Vis spectra of standard solution was recorded at 229
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How are religious and ethical principles used in the abortion debate? Abortion has been legal in the United Kingdom since the Abortion Act of 1967‚ which was further amended in the Human Fertilisation and Embryology Act of 1990‚ lowering the length of pregnancy in which it is legal to have an abortion from 28 weeks to 24 weeks‚ owing to advances in medicine and a decrease in the age of viability of a foetus. There are four criteria which allow women to have an abortion‚ as long as they have the
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company takes more than just a good idea. It takes innovation‚ ethics‚ globalization‚ information systems‚ and e-commerce. In this paper‚ we wanted to discuss what an ingenious company and describe the tools they used to make them such a remarkable success. How Apple used E-Commerce to Change the World Apple came from humble beginnings. What began with two brilliant guys in a garage has transformed to one of the most successful brands in history. As of 2010‚ Apple had 301 retail
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Title: Show how a proportional system might be used in deconstruction Name: Matheuss Adriano Bintoro Proportional system and deconstruction are symbolized as oil and water that in an instance can’t be integrated as one element‚ but somehow it compliments each other. The former is a method that emphasizes in playing with scale and form which must be logical and can be identified clearly‚ it has to be in exact order or has certain pattern that can be understand easily. The latter is a style
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Testing the pH of Common Household Substances Lab Background Information: The pH scale is used to determine the acidity or basicity level of liquid solutions. If a solution scores a pH level of 1-6 it is an acidic solution‚ 1 being the most acidic and 6 being the least acidic. If a solution rates a pH level of 7 it is a neutral solution‚ meaning it is neither an acidic nor a basic solution. Lastly‚ if a solution is 8-14 on the pH scale it is a basic solution‚ 8 being the least basic and 14 being
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New or Used Car Everyone loves the idea of getting a brand new sports car. Just the thought of having that candy apple red Mustang GT makes me feels the happiness of children running free in a candy store. Still as amazing as it would be to go out and buy that dream car right now‚ buying a new car is a big financial decision that can be a little hard to make. What about buying a new “used” car instead? When deciding whether or not to buy a used or new car its best to know and research the important
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would never buy used. Obviously no one wants to where someone else’s undergarments or sleep on a piece of furniture that maybe infested with who knows what. Used shoes can also be hazardous to your health because once a new shoe is worn it forms to that persons unique foot. Wearing shoes that are not conformed to your feet can cause back and posture problems. However‚ I do believe that in many instances buying used has many more positives than buying new. Buying certain things used not only cost less
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Background This experiment was used to test if a force with the same magnitude at opposite angles would equal to a net force of zero. If we equalize all the forces so we get a net gain force of 0 then no weight should touch the floor or the pulleys. We then tested if we added an extra weight with certain angle. We found out at what angle and what weight would equalize the force. The dependent variable is the force we used to equalize the force table. The controlled variables are the weight we initialized
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Believe it or not there are companies out there that make $50 million dollar mistakes. “How ABC Was Used in Capital Budgeting” examines how one Fortune 500 company almost made what could have been an extremely devastating $50 million dollar mistake by carrying out a “cybermall” project based on favorable business case forecast results. Luckily‚ upper management was willing to allow their Chief Financial Officer to conduct further analysis before making this investment decision. This article
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poem tells of a gas attack on a few young soldiers and the agony one endured when he failed to fit his gas mask in time. Owen used his honestly and graphic language throughout his poems to show the public the truth behind the governments glorified words‚ that told lies about what war would really be like for the young‚ brave men who volunteered. This essay will discuss how Wilfred’s use of language and techniques help depict a vivid picture of Owen’s endurances throughout the war. In the first stanza
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