parents forced him to leave his hometown and move to Rome‚ once there he began his studies into the humanities and philosophy. Angelo became a great success in his work and made many large leaps in the field of Astrophysics‚ he pioneered stellar spectroscopy (the light spectrum of stars in the solar system) and he also made the first systematic survey of the night sky. He also revolutionised humanities understanding of the sun including sun-spots solar prominences and metals in the sun. His expertise
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Evaluation of Paracetamol Content in Tablet Dosage Form Using UV-Spectrophotometry Casilagan‚ Camela Mae C.‚ and Jimenez‚ Joshua M. Chemistry Department‚ College of Science Adamson University Ermita‚ Manila 1.0 Introduction UV-Visible Spectrophotometry is a widely-used technique in Chemical and Pharmaceutical Analysis. And this method has been very useful both for Qualitative and Quantitative Applications‚ especially for organic compounds. Some of its advantages for Quantitative purposes
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Analysis of Aluminium in Potable waters by Atomic Absorption Spectrophotometric Techniques Objectives 1. To introduce the basic principles of Atomic Absorption analysis. 2. To Optimise the furnace temperature programme conditions for the analysis of Aluminium. 3. To determine the optimum conditions for the analysis of Aluminium by flame atomisation and to carry out the analysis using two seperate readouts on flame AAS instrument. Part A: Non-Flame Atomic Absorption – Electrothermal
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a way society can interact with both the world of information and physical world is the “SixthSense” project. The SixthSense project is an idea started by Pranav Mistry and his associates from the Fluid Interfaces Group based out of the MIT Media lab. This organization has many projects which are all founded on a few common goals. This goal can come to fruition by focusing on innovations. These Innovations include enhancing the experience of using technology by implementing ways to make the experience
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Introduction The purpose to of this experiment is to carry out the alkylation of sodium saccharin with iodo-ethane and analyze the product mixture to determine the structure of the major product. Sodium saccharin is made from the base catalyzed de protonation of saccharin. This nucleophilic reaction is special because the nucleophilic atom can be oxygen or nitrogen and the leaving group is iodide ion. The solvent used in this reaction is very important for determining the rate of nucleophilic
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Sir Chandrasekhara Venkata Raman‚ FRS (Tamil: சந்திரசேகர வெங்கடராமன்) (7 November 1888 – 21 November 1970) was an Indian physicist whose work was influential in the growth of science in the world. He was the recipient of the Nobel Prize for Physics in 1930 for the discovery that when light traverses a transparent material‚ some of the light that is deflected changes in wavelength. This phenomenon is now called Raman scattering and is the result of the Raman effect. Contents * 1 Early years
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Experiment Three Report Riboflavin Fluorescence Spectra Name: Holly Experimental Section: Include all details on preparation of standard solutions. Also include the vitamin tablet brand name; the listed mass of vitamin B2 per tablet; procedure used for extraction of the tablet and dilutions performed. The experiment began by determining the best wavelength at which to excite the riboflavin molecule‚ by examining the graph given in the laboratory manual[1]. Because plastic cells that absorb
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Cited: http://homepages.gac.edu/~anienow/CHE-372/Labs/Example.pdf http://homepages.gac.edu/~anienow/CHE-372a/Labs/Conjugated%20Dyesa.pdf Freeman‚W.H. “Experimental Physical Chemistry: A Laboratory Textbook.” Eds.Joan.Mims‚ 201.Print.
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The Balmer series is characterized by the electron transitioning from n ¡Ý 3 to n = 2‚ where n refers to the radial quantum number or principal quantum number of the electron. The transitions are named sequentially by Greek letter: n = 3 to n = 2 is called H-¦Á‚ 4 to 2 is H-¦Â‚ 5 to 2 is H-¦Ã‚ and 6 to 2 is H-¦Ä. As the spectral lines associated with this series are located in the visible part of the electromagnetic spectrum‚ these lines are historically referred to as H-alpha‚ H-beta‚ H-gamma and
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hyaluronic acid (HA) with glycidyl methacrylate (GM) is a strategy for producing photocross-linkable macromers to generate biodegradable hydrogels by in-situ injection and light-induced polymerization. Facile synthesis and characterization by 1H NMR spectroscopy of a series of photopolymerizable macromers based on HA-glycidyl methacrylate (HAGM) conjugates with various degrees of methacrylation (DM) ranging from 14% to 90% are described. Aqueous solutions of HAGM were photopolymerized to yield hydrogels
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