Organic Lab I No. 5-6 Separation of a Carboxylic Acid‚ a Phenol‚ and a Neutral Substance (Two-week lab) Reading Assignment 1) Chapter 7 • Introduction: P. 135- first paragraph • Theory and Techniques (p142-145) o Properties of Extraction Solvents o Mixing and Separating the Layers o Drying Agents o Part 1: The Technique of Neutral Liquid/Liquid Extraction The description is for dichloromethane-aqueous
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envy. The public is constantly bombarded with the idea that organic products are better. Perhaps this is true‚ but maybe it is brilliant marketing simply selling a status symbol. Envy can come from a neighbor’s luscious‚ organically grown front yard to the hybrid vehicle a co-worker drives‚ to the organic foods that consumers in a higher financial echelon seem to be able to only afford. Is this envy justifiable or is the notion of organics and its superiority a tactic of propaganda to boost the already
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WASHING DETERGENTS Summary of Module 1 INDUSTRY OVERVIEW Washing powders and detergents are considered to be an important part of personal and home care product lines. The local detergent industry in Pakistan has flourished significantly over time and is still on the path diversification and development. During the periods of 1980s till the end of 90s‚ detergent bars had the major market share‚ in most of the market segments. The detergent powders through their extensive marketing campaigns
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person being infected with Leptospirosis might lessen. The benefits of an organic fertilizer compared to a chemically made fertilizer are that the plants were able to grow taller‚ faster‚ healthier‚ and were able to bear more fruits. Our project will test if every day produce‚ such as the yogurt can be mixed with animal feces just like how egg shells and banana peels are used to decompose waste and create a rich‚ organic fertilizer. Our project will benefit not only the environment of Guam‚ but
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Combustible Liquids (Examples: alcohols‚ esters‚ ethers‚ ketones) Vapors from flammable and combustible liquids can mix with air and burn if they contact an ignition source. Possible ignition sources include hot electrical wires‚ hot surfaces‚ open flames‚ hot particles and embers‚ and sparks. The lowest temperature at which a liquid releases enough vapor to start burning is called the flash point. The flash point is what distinguishes a flammable liquid from a combustible liquid. Flammables:
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ripe tomatoes and‚ as an antioxidant‚ helps to fight certain cancers. In this lab you will isolate lycopene from tomato paste. To do this you will first extract carotenoid pigments from the paste and then use column chromatography to isolate the lycopene from the other pigments. You will then use TLC to evaluate the column chromatography separation. Note: because lycopene is light-sensitive‚ prevent any unnecessary exposure to light. Procedure: Weigh roughly 1.0 g of tomato paste into a 15
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www.igcse.at.ua ORGANIC CHEMISTRY OIL and its many useful PRODUCTS The origin of oil Crude oil is formed from organic material of the remains of plant and animal organisms that lived millions of years ago. These remains form sediments eg at the bottom of seas‚ and become buried under layers of sedimentary rock. They decay‚ without air (oxygen)‚ under the action of heat and pressure to form crude oil over millions of years. It is a fossil fuel because it is formed from
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Bananas‚ Chiquita and Globalization While globalization is a relatively new phenomenon in theory‚ but not necessarily in history‚ as of 2009 it has created transnational corporations linked to government‚ international economic institutions‚ and non-government organizations. (Steger 67). With this definition bananas are a textbook example of the globalization of tropical fruit commodities. The transnational corporations of the United States‚ most notably Chiquita‚ Dole and Del Monte‚ have been
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from 2011 to 2013 That’s why I and my group mates had decided to make a research about durian as a mosquito repellent. Significance of the study According to a blog post at HubPages‚ if durian smell is not a problem‚ you can also use durian husks as a natural mosquito repellent. In some areas in the country people put some husks in a basket and place it in the corner. Change them regularly to get effective result specially when you think the husks start to produce unwanted odor
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Liquid Crystal Displays (LCD) – Working We always use devices made up of Liquid Crystal Displays (LCDs) like computers‚ digital watches and also DVD and CD players. They have become very common and have taken a giant leap in the screen industry by clearly replacing the use of Cathode Ray Tubes (CRT). CRT draws more power than LCD and are also bigger and heavier. All of us have seen an LCD‚ but no one knows the exact working of it. Let us take a look at the working of an LCD. We get the definition
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