Preparation In a dry round bottom flask‚ 1.5mL of cyclohexanone was added with 5mL of methanol. The solution was cooled in an ice bath for 3 minutes after which 0.2g of sodium borohydride was measured and added to the solution. Upon mixing‚ a gas was formed (bubbles). The round bottom flask was removed from the ice bath and placed at room temperature. After 10 minutes at room temperature‚ 5.0mL of 3M NaOH and 2.0mL of distilled water was added to the solution. Isolation and Characterization The
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One can find different flavors like methanol‚ candy‚ watermelon‚ herbs‚ and bomb sauce e liquid to name a few. People can purchase an e liquid as per their taste preference. If one is purchasing the vaporizer for the first time then‚ it is advisable for them to do a little research and be aware
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SAFETY General WHMIS beforehand – no messing around on anything‚ no food/drink anywhere PPE – goggles‚ coat‚ feet Treatment Skin Chem: emergency shower – TA/HS Eye Chem: eye wash – 10 mins. TA/HS Fire Emergency kill switch for gas‚ electricity and water – leave and set the alarm Stop drop and roll Apparati should be clear of any controls or switches‚ keep vapours to minimum/take need Extinguishers – on the wall inside each 1st year lab Class A - ordinary combustibles
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Experiment :12 Vapor Pressure and the Heat of Vaporization Nicole Petersen TA: Ryan Dixon 4/16/2013 Purpose: Use experimental techniques to record temperature and volume data for known and unknown compounds. The liquid and gas are going to be at equilibrium. We will also determine the boiling point for the known and unknown. Then use a graph to calculate the slope and then use Clasius- Clapeyron equation to find the heat vaporization. Procedure: Refer to pages 155-167 of Chemistry 1210 General
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from algae‚ vegetable oils‚ animal fats‚ or recycled restaurant greases. Fresh soybean oil is most commonly used. In general they are made from fats and oils‚ which are hydrocarbons. These hydrocarbons are filtered and mixed with an alcohol‚ such as methanol‚ and a catalyst‚ resulting in a chemical reaction whose major products are biodiesel fuel and glycerol. Biodiesel fuel is light to dark yellow in color as a liquid. It’s insoluble in water‚ has a high boiling point and low vapor pressure. With
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[19593 Organic Chemistry of the Tramition Elements. Part r. View Online 551 Downloaded by University of Washington on 01 February 2011 Published on 01 January 1959 on http://pubs.rsc.org | doi:10.1039/JR9590000551 113. The Organic Chemistry of the Transition Elements. Part I. Tricarbonylchromium Derivatives of Aromatic Compounds. By B. NICHOLLS M. C. WHITING. and Many aromatic compounds‚ ArH‚ displace carbon monoxide from chromium hexacarbonyl with the formation of complexes Cr(CO)
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2-15-11 Purpose: The purpose of this experiment was to take spinach leaves and extract the chlorophyll and carotenoid pigments by using acetone as the solvent. The chlorophyll and carotenoid pigments were extracted by using column chromography and alumina was used as the solvent. Solvents of different polarities were used‚ starting with the least polar‚ to extract the certain components from the leaves. They were then analyzed by using thin- layer chromatography. Procedure: The first part
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ETHNOMEDICAL SURVEY This survey was conducted in a Malay village name kampong Tanjung Sabtu located at West Kuala Terengganu‚ the capital city of Terengganu in Peninsular Malaysia. Most the villagers are farmers and some government staffs. This data obtain from the conversation adult villager‚ local healer and herbalist by using the ethnomedical enquiries. Mostly the villagers willing to share their knowledge on the uses of some medicinal plants. Total 52 plants were recorded to be used among
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evaporating gels to make a hand wipe that visitors to hospitals can use. Also disinfecting is "de-natured" or industrial alcohol‚ which is a mixture of ethanol with 10% methanol‚ and almost no water. The industrial type is stained purple‚ and includes a foul tasting disinfectant emetic to discourage drinking it (because methanol is toxic causing blindness‚ insanity and death). The lab type is clear‚ smells of vodka‚ and is just as toxic! It will sterilize medical equipment. Source(s): http://wiki
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Title: Separation and Identification of the major components of common over-the-counter painkilling drugs Purpose: 1.To separate acetaminophen‚ aspirin and caffeine from painkilling drugs. 2.To determine the melting points of acetaminophen‚ aspirin and caffeine 3.To identify the separated components(acetaminophen‚ aspirin and caffeine) by thin-layer chromatography Apparatus and Reagents Used : 1. 4:1 (v/v) 1-Butyl ethanoate/ethanoic acid 2. 3M Sodium hydroxide solution 3. 3M Hydrochloric
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