the forming Butyl 2-Cyano-(3‚5 dichloro-phenyl)-2-propenoate. The analyses that were used to prove its composition and structure include; IR spectroscopy‚ thin layer chromatography (TLC)‚ and CHN analysis. A radical copolymerization reaction was conducted‚ with the initiation by radical initiator 1‚1’-azobiscyclohexanecarbonitrile. CHN analysis‚ IR spectroscopy‚ and Proton NMR analysis were used to prove its composition and structure. 1. Introduction The American Chemical Society databases were investigated
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HAEMATOLOGY 1 MEDS 1084/1083 SHORT REPORT Use of spectrophotometric techniques to determine the optical density or absorbance for the sample with different dilution factors NAME & STUDENT ID: MANMINDER KAUR COURSE: Haematology 1 COORDINATOR: Genia Burchall PRACTICAL DATE: 26th July‚ 2012 DUE DATE: 10th August‚ 2012 ABSTRACT: This experiment aimed at determining the optical density in terms of absorbance of a solution using the different dilution factors to obtain a standard
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Chapter 5 – Forensic Toxicology 1. What are the three areas covered by forensic toxicology? Toxicology covers post-mortem drug testing‚ workplace drug testing and investigations into contraband materials. 2. Name six specimen types that are often tested in forensic toxicology. Under what circumstances is each specimen preferred? Blood – When testing for DUI’s‚ and two samples for every death case. Urine – Preemployment drug testing and is preferred over blood as its eacsy to collect large amounts
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Chemistry 12 Formal Report Measuring Reaction Rate using Volume of Gas Produced By John Doe 23th October 2012 Introduction An essential element of chemistry is finding reaction rates. This is because chemists need to know how long a reaction should take. In addition to needing to know the rate of a reaction at any point in time to monitor how the reaction is proceeding. Many factors effect reaction rates‚ two shown above include temperature and concentration. Concentration affects the
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Quartz-type FePO4 was investigated from 294 up to 1073K by neutron powder diffraction. The cell parameters and fractional atomic coordinates in the α phase tend towards the values found in the β phase. The first order transition of FePO4 is at 980 K‚ during which several observations are made. Firstly‚ the cell parameters and fractional atomic coordinates show discontinuous shifts. Secondly‚ the intensities of a large number of diffraction lines decrease‚ as shown in Fig. 1. Lastly‚ bond distances
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Nano-Bioreplicated and 3D-Printed Decoys: In order to produce the two types of visual decoys‚ by physical vapor deposition from a female Agrilus planipennis‚ a high fidelity (~200 nm) resolution negative die of nickel was produced. It was then followed by electrodeposition of nickel. Through successive casting and curing of polymers a positive die of epoxy was created from this negative die. Together‚ both of them constituted the mould. Next‚ a poly(ethylene terephthalate) (PET) sheet was used to
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Laboratory Exercise #2 Pre Lab This lab will teach me how to use a spectrophotometer. The use of the spectrophotometer is to measure the concentration of solute. The solute being measured must be colored and is determined based on the adsorption of light photons on a wavelength. The spectrophotometer uses a beam of light that strikes the diffraction grating that basically forms of prism of light. Then only a specific wavelength of light shines through the spectrophotometer and interacts with
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Lab 6 Prelab Spectrophotometry This is due at the beginning of lab 6. Read the lab protocol for this week and type your individual answers to the following questions. Each student should turn in answers at the beginning of class. You may consult other resources (textbook‚ library‚ etc.) Remember to cite information and put responses in your own words to avoid plagiarism (and loss of credit on the assignment). 1. Refer to step 2 in the protocol for lab 6. Calculate the concentration of the sample
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Paragraph I In the study conducted by Haines‚ Cambon & Hull (2003)‚ they examined the impact of temperature change from 294 to 1073K on the structural development of FePO4. Initially‚ at low temperature‚ FePO4’s structure is of tetrahedral. This α-quartz structure is illustrated in the following diagram. However‚ as temperature increases‚ the tilting of the tetrahedral angles began to drop. This continues as it approaches 980K to the β-phase‚ where it gradually forms an octahedral structure. In
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