Exp. 2 Separation of Three Compounds by Extraction Introduction: The purpose of this experiment is do demonstrate the proper procedures of extraction and to develop a practical understanding of this method. In this experiment‚ extraction is used to separate a known acid‚ base‚ and neural compound from each other. The first two compounds undergo proton transfer reactions in the presence of acids or bases. Acids RCOOH‚ like benzoic acid‚ was deprotonated to form RCOO-. Bases RNH2‚ like ethyl 4-aminobenzoate
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chemical synthesis: extraction of crude caffeine pose little toxicity to human health and the environment.(1) Q2) Things not green: According to GCP# 5 i.e. Safer solvent and auxiliaries: In liquid-liquid extraction of caffeine‚ Dicholoromethane was used which is a hazardous chemical and have potential acute health effects(2). According to GCP#12 i.e. Inherent safer chemistry for accident prevention: The separatory funnels used in the experiment for liquid-liquid extraction was a dangerous procedure
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RAJESH BUSINESS INTELLIGENCE GENERIC EXTRACTION CHAPTER – 4 EXTRACTIONS It is mainly used for extracting the data form other Source Systems like R/3 etc. DataSource: Defines as extract structure and transfer structure from source system (like SAP R/3) and transfer structure from BW side. ES -> What data to be extracted from source system TS -> What data to be extracted from source system to BW. TS is a group of fields which indicated how the data is coming from the source system
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Naked strawberry and banana smoothie is delicious and healthy. If you ever try one‚ you will enjoy it fruity taste. Like McDonald’s‚ Naked is not flavored with artificial flavors or colors. You can purchase a Naked fruit smoothie at your local grocery store or any food shopping center. The fresh fruit taste will make your taste buds tingle. Imagine having your daily portion of fruit and vegetables on the go each morning. Naked would be a perfect breakfast for students and busy parents daily. Unlike
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Lab Conclusion Guidelines A good conclusion should contain all of the following parts a) You should state what experiment was performed‚ and show any necessary reaction schemes. The reaction schemes should include molecular weights and any other important physical data for the reagents and products. Ex. Cyclohexanol was oxidized to cyclohexanone using sodium dichromate in the presence of sulfuric acid. * Note: you can download a free version of a structure editor from ACD labs‚ the PC version
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DETERMINATION OF COPPER BY COMPLEXATION‚ SOLVENT-EXTRACTION AND SPECTROPHOTOMETRY ABSTRACT To determine the concentration of copper in an unknown solution by using copper complexation‚ solvent extraction and spectrophotometry. Standards are used to create a calibration curve and the unknown concentration of copper is then calculated by using the linear equation from the calibration curve. The concentration of copper in the unknown solution 201 was found to be 12.57± 0.25 μg/mL. INTRODUCTION Copper
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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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DNA STRUCTURE AND REPLICATION One may wonder how a single cell becomes two cells‚ and why this is ultimately important to life. For this essay‚ it would be much too difficult to discuss the process of cell division‚ which is the biological basis of life. That being said‚ this essay will examine more closely the precursor to cell division‚ also known as DNA replication. DNA replication is the process of copying a double-stranded DNA strand on a chromosome within a cell. The process‚ in its totality
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DNA databases In 1992‚ The United States‚ Federal Bureau of Investigation funded the Combined DNA Index System (CODIS). It is a computer system that stores DNA profiles created by federal‚ state‚ and local crime laboratories in the United States‚ with the ability to search the database in its entirety; it also helps agencies identify suspects of crime. The origin of CODIS is attributed to the Scientific Working groups (SWG) that began in the late 80’s. SWG was backed by the FBI Laboratory which
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information on what DNA replication looks like. The sources showed me what a strand of DNA looks like as well as giving me an explanation of what occurs during DNA replication. As my model is colour coded it makes it clearer as to what is occurring during each step in DNA replication as well as what each element is. It also clarifies what the external elements are when DNA replicates i.e. helicase‚ polymerase and DNA ligase. However‚ there are also limitations to my DNA replication model.
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