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External link to Gunshot Forensic Analysis
Chemistry

Gunshot Forensic Analysis

School of Chemistry MM4EOX: Electron-optical and X-ray Techniques Pages 1&2: Forensic investigation: trace evidence analysis for gun-shot residue Page 3: Phase identification : characterization of nanostructured materials Page 4: Enviromental safety: characterization of fine scale particle distribution Forensic investigation: trace evidence analysis for gun-shot residue Introduction The ability to identify gunshot residue has provided solution to the problems encountered in the resolution of forensic science, […]

External link to Chemistry Essays – Ethanoic Acid
Chemistry

Chemistry Essays – Ethanoic Acid

The characteristic smell of vinegar comes from the inclusion of ethanoic acid. The characteristic smell of vinegar comes from the inclusion of ethanoic acid (CH3COOH), also known as acetic acid.  However, unless pure distilled vinegar is purchased, with a guaranteed and stated composition, there are other acids present in vinegar.  These include: citric acid – HOOCCh1C(OH)(COOH)Ch1COOH), malic acid (2-hydroxybutanedioic acid)  – HOOCCH(OH)Ch1COOH lactic acid (2-hydroxypropanoic […]

External link to Reaction of ligand substitution
Chemistry

Reaction of ligand substitution

Abstract The purpose of this lab was to study ligand substitution in the preparation of Mo(phen)(PPh3)(CO)3 from Mo(CO)6, 1,10-phenanthroline, and triphenylphosphine. The intermediate product of Mo(phen)(CO)4 was analyzed using IR and UV-vis spectroscopy. The final product was then also analyzed using the same two spectroscopy methods in order to determine the affect of the ligand substitutions on the electronic and structural properties of the complex. […]

External link to FTIR spectroscopy of SO2
Chemistry

FTIR spectroscopy of SO2

Abstract In this lab, the IR spectrum of SO2 gas was taken. The spectrum was then used to determine which peaks corresponded to the vibrational modes of SO2­. Once the modes had been determined, the experimental wavenumbers of the v1 and v3 modes and the overtones were used to determine the anharmonicity of the two different modes. While there was a difference between the two […]

External link to Effect of various pollutants
Chemistry

Effect of various pollutants

Acknowledgement I am deeply indebted to my supervisor Dr. Salman Ashraf, Associate Professor of Biochemistry, who gave me the honour to be one of his students. Also for his valuable advices and helped from the experimental part to the reviewing this thesis. Additionally, I want to thank all the faculty members and the staff members of the Environmental Science program and the Department of Chemistry […]

External link to The Chemistry Of Fireworks Chemistry Essay
Chemistry

The Chemistry Of Fireworks Chemistry Essay

The chemistry behind fireworks is a series of oxidation and reduction reactions which result in the desired sound and light. This happens as propellants push the firework into the sky. Oxidation reactions ensure that the oxygen needed to exhaustively burn the mixture of reducing agents and excite the atoms in the light-emitting compounds is produced. Oxidizers used such as chlorates, nitrates and percolates and reducing agents […]

External link to The swine flu
Chemistry

The swine flu

Currently, there has been an international concern and fear about the disease “The Swine” or Swine Flu. The main question that all the experts were worried about was whether the swine flu is an epidemic or a pandemic. An epidemic is defined as an outbreak of a contagious disease that can be widely spread and affects lots of people at the same time. A pandemic […]

External link to The word perfume
Chemistry

The word perfume

Introduction: History of Perfume The word perfume itself is derived from the Latin per fume, which means “through smoke”. Due to the fact that the original use of aromatic materials was of burning incense, as an offering to the gods.1 Aromatic materials have been used for a variety of different purposes over the past thousand years. Perfumes during this era largely consisted of uncharacterized aromatic […]

External link to Natural product chemistry
Chemistry

Natural product chemistry

Introduction Of Natural Product Chemistry In the beginning of organic chemistry was natural products chemistry. For a long period, up to the 1960’s the structural studies of natural products served as the principle driving force for the discovery of new chemical reactivity. The introduction of spectroscopic techniques, however, removed much of the “intellectual challenge” involved in structure elucidation. Furthermore, natural products chemistry suffered a dramatic […]

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