TWO-BASE EXTRACTION OF BENZOIC ACID‚ 2-NAPHTHOL‚ AND NAPHTHALENE FROM UNKNOWN SAMPLE # 131 Douglas G. Balmer (T.A. Mike Hall) Dr. Dailey Submitted 11 July 2007 Introduction: The purpose of this experiment was to separate a sample of benzoic acid‚ 2- naphthol‚ and naphthalene of unknown proportions using a two-base extraction method. The three components of the mixture will react differently to sodium bicarbonate and sodium hydroxide because each of the bases’ conjugate acids has a different
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INTERNATIONALE PHARMACEUTICA SCIENCIA | Jan-March 2011 | Vol. 1 | Issue 1 | Available online http://www.ipharmsciencia.com ©2011 IPS REVIEW ARTICLE Phytochemical screening and Extraction: A Review ABSTRACT Plants are a source of large amount of drugs comprising to different groups such as antispasmodics‚ emetics‚ anti-cancer‚ antimicrobials etc. A large number of the plants are claimed to possess the antibiotic properties in the traditional system and are also used extensively by the tribal people
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possibility to achieve paid paternity leave‚ would have the ability to help their significant other after childbirth or adoption while remaining a healthy relationship. The mother is given a chance to recuperate after the birth if the father is there to help with the child. Wahm‚ a website for work-at-home mothers‚ states that‚ “If the father were able to get paternity leave‚ it would take a huge burden off your shoulders”. The quote is concerning the mothers who work from home and shows that a father who
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needing me‚ and if not‚ come over‚ I have a small penis but aspirations for bigger things‚ faith among them‚ and by that I mean you and I face to face‚ mouths making the sounds once known as conversation.” (Hicok 30-40) Bob Hicok’s poem “Spam leaves an aftertaste” focuses on a series of analitical thoughts and questions triggered in result to a received email spam. The narrator speaks against the digital age‚ feeling as though the Internet takes the personal aspect out of things. The email spam
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introduction‚ is planted throughout the settled areas of the Philippines and is cultivated for its many uses. The plant is a large tree from 12 to 25 meters in height. The pods are oblong‚ thickened‚ and 6 to 15 centimetres by 2 to 3 centimeters‚ slightly compressed‚ and provided with a thin‚ crustaceous epicarp and a pulpy‚ acid‚ edible mesocarp. The young leaves flowers‚ leaves‚ and young pods are being used by people for seasoning foods like “sinigang”. The pulp surrounding the seeds‚ called “malasebo”
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The Cell Extraction In the dangerous occupation of a correctional professional the “cell extraction” is something that will happen. People can get angry if they don’t get their way. I say people because inmates are people‚ that got into trouble. As a correctional professional I can use the “cell extraction” to move an incompliant inmate from one cell to a more secured cell. This is something I am good at. I have to be. It is my job. The first time that I required an extraction team to suit up
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Experiment 2: Acid- Base Extraction Separation of an Organic Acid‚ a Base and a Neutral Compound Introduction: The extraction technique is often used in the organic lab to separate organic compounds from mixtures. One type of an extraction technique is the acid-base extraction‚ which is used to separate organic compounds from a mixture based on their acid-base properties.1 There are certain principles that must be taken into account when choosing a solvent system to perform an extraction. The solvents should
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own and distribute its daughter molecules to daughter cells. You have successfully cloned a fragment of chromosomal DNA containing a tetracycline resistance cassette into a plasmid (pET11a). To this end you have (1) isolated total chromosomal DNA from your assigned bacterial strain and digested this DNA with the restriction enzyme BamHI. You have also (2) digested the plasmid cloning vector (pET11a) with the same restriction enzyme. You have (3) randomly ligated the digested chromosomal DNA into
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wide terraces‚ noble trees and three characters: the Earl‚ his son Freddie and Beach‚ the butler. Readers will note how Lord Emsworth relies on his butler to put his hat on and to take the cap off his new telescope. Much of the story’s humour derives from the dialogue‚ with even the butler given choice lines. By contrast‚ the head-gardener is given a comic Scottish accent (‘She’s paying’ me twa poon’ a week’). Students should be encouraged to note dialogue and descriptions they find particularly funny
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separate a mixture of an acid and a neutral compound into its component by extraction. 2. To determine the melting point and the yield of the benzoic acid and the unknown sample. 3. To determine the unknown sample whether is is Trimethylmethanol or 1‚2‚4‚5-Tetrachlorobenzene. Introduction Extraction is a process of transferring a solute from one solvent to another. It is usually used to separate one or more components from a mixture. Diethyl ether‚ dichloromethane (methylene chloride)‚ trichloromethane
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