COURSE:BSC CHEMISTRY INDEX NUMBER:1025513 EXPERIMENT NUMBER:O.1.2.3 DEMONSTRATOR: BAIDOO DATE:23 RD JANUARY‚2014. TITLE: SEPARATION AND PURIFICATION OF ORGANIC COMPOUNDS AIMS: To isolate organic‚ inorganic and component from a given sample
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Anise oil was successfully able to be extracted from anise seeds during this experiment. It was done by first crushing the seeds‚ then placing them into a distillation apparatus. The distillation apparatus evaporated the liquid from the seeds‚ which was captured in a flask. Next‚ DCM was added to the distillate‚ which allowed the water to be separated from the anise oil. Finally‚ the DCM evaporated and the pure anise oil was collected. The process of steam distillation allowed the anise oil in the
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The Effect of Temperature on the Rate of the Reaction Between Calcium Carbonate and 1.0 M Hydrochloric Acid Josue Montoya IB Chemistry SL Mr. Pham Due Date: 07 March 2013 Dates Experiment Was Conducted: 27‚ 28‚ 29 February 2013 INTRODUCTION Research Question: How does altering the temperature at which calcium carbonate and 1.0 M hydrochloric acid react‚ affect the rate of reaction? Aim: The purpose of the experiment is to demonstrate
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Experiment 12: Calorimetry and Hess’s Law Purpose: The purpose of this lab is to determine the enthalpy of reaction for the burning of one mole of magnesium in oxygen. Although the reaction is exothermic‚ the ∆HRXN will be determined by using calorimetry and then using Hess’s Law to manipulate the data collected to yield the answer needed. Procedures: Dillon‚ Stephanie. “ Calorimetry and Hess’s Law.” Laboratory Manual. Pearson Publishing‚ 2012‚ pp.168-177. Data and Results Part A
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with the chemical composition of essential oil from the fruits of Solanum erianthum‚ a species extensively used in traditional medicine. The essential oil from fruits was extracted by hydrodistillation and the chemical composition of the essential oil was analyzed by gas chromatography-mass spectrometry (GC-MS). The yield of essential oil based on the dry weight of the plant was 0.05 % (v/w). Twenty two compounds accounting for 99.2 % of the total oil were identified. The main compounds were 9
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SMALL-SCALE PRODUCTION OF ESSENTIAL OILS Essential oils are the volatile oils distilled from aromatic plant materials. The odour and flavour of these oils is usually dependent upon these oxygenated compounds. Many oils are terpenoids‚ a few oils are benzene derivatives. Table 1 shows the important constituents of the more common essential oils. Name Part of plant used Leaf Botanical name Important constituents Uses Lemongrass and citronella Eucalyptus Cymbopogon spp Citral
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QUIZ 02 ECO402 Quiz # 2 ECO402 (Microeconomics) Semester Spring 2008 Total Marks 15 Instructions: 1. 2. 3. 4. 5. This quiz covers Lesson 14-17. Last date for submission of quiz is 12/05/08. Upload your quiz with in due date and time. No quiz will be accepted after due date and time. In MCQs‚ write only one option in the answer sheet which you think is correct. More than one answer will be marked zero. 6. No quiz will be accepted through e-mail. 7. Please submit your solution
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Kate Kirby June 6‚ 2013 Title: Extraction of an Unknown Compound Purpose: The purpose of this experiment was to separate a mixture of two or more unknown compounds and identify them based on their melting point and reactivity with an acid or a base. Compound studied/Reactions: The organic solvent used in this experiment was methyl t-butyl ether (MTBE‚ 2-methoxy-2-methylpropane). The unknown that dissolved in the MTBE‚ but was insoluble in water. MBTE is very volatile and flammable. It was
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Santos City Bio 108: Cell Biology Laboratory Report August 28‚ 2013 DNA Extraction on Onion (Allium cepa) and Human Cheek Cell Arriza‚ Rolland Merch Buscato‚ Carl G. Butil‚ Conrad G. Leonida‚ Renee Theresa ABSTRACT This activity observes the DNA present in onion (Allium cepa) and human cheek cells by extracting it with the addition of lysis buffer and chilled ethanol. The lysis buffer is prepared from squeezed onion mixed with salt and Pantene Pro-V Shampoo. The buffer degrades the
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Studying Chemistry at UCL UNDERSTANDING THE PAST CHALLENGING THE PRESENT SHAPING THE FUTURE Why UCL‚ why UCL Chemistry‚ why London? Course Structure What you’ll do; timetable; assessment From being taught to deep learning Opportunities Why UCL? UNDERSTANDING THE PAST CHALLENGING THE PRESENT SHAPING THE FUTURE History Oldest university (1826) outside Oxbridge in England First inclusive UK university Founded on principle of educating anyone who would benefit Non-CofE‚ women
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