"Explanation of yellow colour in naoh wash in clove oil extraction" Essays and Research Papers

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    Analytical Chemistry Experiment 2b: Determination of the ASA Content of Aspirin Due Date: September 16‚ 2013 Experiment#: 2b Title: Determination of the ASA Content of Aspirin Aim: To determine the Molar Concentration of NaOH and HCl acid used in their Standardization processes and to determine the acetylsalicylic acid (ASA) content in Aspirin. Materials/Apparatus: materials used are the same as that outlined in the laboratory procedure prepared by the laboratory instructor. Procedure:

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    Acid Base Extraction

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    The purpose of this experiment is to separate a solution of an acidic and organic compound and purify its respective acidic product through the techniques of an acid base extraction‚ recrystallization‚ and use of Melt Temp (melting point range). The reaction of an unknown acid (3-chlorobenzoic acid) with diethyl and sodium hydroxide was observed‚ and the solution naturally separated into an aqueous and organic solution. The mixture of acid and organic solution was created and then separated through

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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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    A. Title – Acid-Base Extraction with Separatory Funnel B. Introduction – The main objective of the experiment was the extract an acid‚ a base‚ and a neutral compound from a 2:1:1 compound of benzoic acid‚ p-nitroaniline‚ and azobenzene. In theory‚ an extraction technique based on phase distribution should allow two immiscible solvents to separate with a portion of the solute distributed into each. Using a separatory funnel‚ acids were extracted with bases (NaOH)‚ and bases were extracted

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    Strawberry Extraction Lab

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    Berry DNA Extraction Lab I. Problem Statement: Successfully extracting the DNA from strawberries. II. Background info: DNA is the genetic information in organisms that codes for proteins‚ and controls the cells function. The DNA is a double helix molecule that is formed by various nucleotides which include Adenine‚ Thymine‚ Guanine‚ and Cytosine with sugar phosphate. Different organisms can have larger or smaller genes. DNA is also what makes up chromosomes during cell replication. Strawberries

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    INTRO: I. When it is Sunday afternoon and you are just taking a nap after watching some football‚ and then out of nowhere your dad and/or mom gets up and makes you wash his/her car. II. This a very unfortunate event at the time of receiving this project‚ but i am here today to make easy‚ fast and fun. If you want to start this project and make it fast and easy you should retrieve these basic tools: A. You will need one car B. One giant sponge C. Two buckets D. One bucket filled with water

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    isolated from tea leaves. This was done through solid-liquid extraction followed by multiple liquid-liquid extraction. Then crude material obtained was then purified by sublimation. The isolated caffeine was subjected to thin layer chromatography (TLC) together with a standard caffeine. The Rf value obtained for both isolated caffeine and standard caffeine was 0.24. Keywords: solid-liquid extraction‚ multiple liquid-liquid extraction‚ sublimation‚ thin layer chromatography‚ percent caffeine

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    i)Non-alcohol anti-septic mouthwash. ii)Reposition competitor. Alcohol mouthwash is detrimental to health. 2.3.2Product Price/Quality: i)Shocking lowest price‚ superb quality. 3.0 MARKETING MIX 3.1 PRODUCT: - 3.1.1Branding i.Maxi Fresh Mouth Wash is associated with the family brand‚ PriceAbuse.com that symbolises high quality‚ low price with the tag line "Good things need not be expensive" 3.1.2Packaging i.400ml pet bottles with multi coloured labels. 3.2 PRICE: - 3.2.1 Retail price to be

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    Biology Dna Extraction

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    ’ is the embryo‚ which is the part of the seed that can grow into a new wheat plant. (1) Aim: To extract DNA from Wheat Germ cells‚ and learning the DNA extraction process. Hypothesis: Each step of the process will help in a certain way to extract DNA‚ until we are finally successful in the end.  In the wheat germ extraction‚ the ethanol will be able to separate the DNA‚ and it will float between the less dense ethanol and the denser homogenizing mixture. (2) Materials: 1 gram

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    Dna Extraction Lab

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    The purpose of the DNA extraction lab was not only to inform students on how DNA is present in humans and all organisms‚ but to also educate them on how DNA can be extracted using common household materials. Also‚ the lab was very efficient as it introduced the students to extracting their own DNA found on their cheek cells as well as letting them take an observation on how DNA appears or how it is formed. Additionally‚ students were instructed through a very clear and simple procedure‚ which guided

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