HPLC Determination of Aspartame in Diet Coke Name: xx Student Number: xxx Class: xxx Aim The aim of this experiment was to determine the concentration of aspartame in a sample of diet Coke® using HPLC as investigation tool. Introduction High Performance Liquid Chromatography (HPLC) is one of the most widely used analytical techniques of nonvolatile organic compounds. Chromatographic processes can be described
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Gold Nanoparticles for Diagnosis and Treatment of Cancer Abstract—Nanotechnology has been an extremely hot topic over the decade. It is the science‚ engineering and technology conducted at nanoscale. Two of the main applications of nanotechnology include material science and biomedicine. We have achieved great strides in applying nanotechnology to material science that is well justified by the decreasing size of electronics available in market. However we haven’t made a mark in biomedicine yet
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non-ferrous metal ores‚ which are mostly metal ore dust mixed dust ‚ free silica content is generally more than 10%‚ even up to 90 %. Some gold mines ‚ most of the production in quartz veins ‚ free silica content is generally above 60 %. Under this situation ‚ according to the national emission standards ‚ Crushing And Screening PlantVentilation and dust removal system effluent concentration should not exceed 100 mg/m 3 (free silica content of less than lO% of the mineral dust emissions allowable
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Systems Biology Systems biology involves the study of an organism as one single system. Instead of analysing all the individual components that make up a cell‚ the cell is instead viewed as an interacting network of genes‚ proteins and biochemical reactions and these are studied as a whole. In 20th century‚ molecular biology was focused upon. A ‘reductionist’ approach was followed‚ in which the individual components‚ such as the cell nucleus or sugar metabolism‚ were studied in isolation. However
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................................................................................ (Total 5 marks) Page 1 of 4 Unit C2‚ C2.2.3 2. Bricks made from silica (silicon dioxide) are used to line furnaces that operate at high temperatures. Part of the structure of silica is shown in the diagram. Suggest and explain why silica is
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The knowledge of chemical analysis today has become important not only for scientists in their research but in fact bears influence in our daily routine as well. To recognize and classify these uses‚ we have to first understand‚ what is chemical analysis?Chemical AnalysisChemical Analysis is a body of procedures and techniques used to identify and quantify the chemical composition of a sample of substance.1 It may be said as a collection of all the techniques required to obtain any chemical information
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The word ’fossil’ has been derived from the Latin word ’Fossilium’‚ which literally means anything dug out of the earth’. These are recognisable remains of once-living plants or animals‚ most of which have been extinct for many thousands of years. They were preserved in sediments‚ rocks and other materials such as ice‚ tar‚ amber etc. prior to historic times. Thus‚ the remnants of plants or animals of the past geologic ages preserved in the rocks of the earth’s crust by natural processes are known
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3.9.1 Determination of dry matter Five gram fresh samples of feeds and dried excreta were taken in the pre-weighed silica crucibles and kept in hot air oven at 100 0C for 24 hours or until the constant weight was achieved. However‚ meat samples from breast and thigh muscles were dried at 65 0C for 48 hrs or till a constant weight was obtained. Dry matter was calculated
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Shahadah Williams Case Report Introduction: At 4:30 pm‚ April 26‚ 2013 Detective Shi Henry called asking for assistance in processing a suicide victim‚ involving a 39-year-old female at the corner of Midland and Colvin Street. Victim name is Ariel Travis. Me (Shahadah Williams) and my Crime Scene Search Team Jim Carey and Will Ferrell arrived approximately 15 minutes after the phone call. I’m a forensic technician with 12 years of experience‚ and a bachelor degree in forensics. Upon arrival I
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lava. Extrusive rocks are formed by lava‚ and the lava will harden quickly and crystallize quickly‚ either by hot spots or on the earth’s surface. Igneous rocks are considered felsic‚ intermediate‚ mafic‚ and ultramafic. Felsic rocks are high in silica‚ and usually light colored‚ and an extrusive rock‚ which is felsic‚ is rhyolite. Intermediate rocks are
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