"Photometric colorimeter" Essays and Research Papers

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    Investigating the Effect of Lipase Concentration on the Breakdown of Fat in Milk INTRODUCTION: Enzymes are proteins which can catalyse chemical reactions without changing themselves. The enzyme lipase breaks down the fat in dairy products such as full-cream milk for people who are lactose intolerant. Lipase acts on its specific substrate‚ lipids produces fatty acids. If enzyme concentration increases‚ random collisions between the substrates and active sites of enzyme increase due to the increasing

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    Designation: C 114 – 07 Standard Test Methods for Chemical Analysis of Hydraulic Cement1 This standard is issued under the fixed designation C 114; the number immediately following the designation indicates the year of original adoption or‚ in the case of revision‚ the year of last revision. A number in parentheses indicates the year of last reapproval. A superscript epsilon (e) indicates an editorial change since the last revision or reapproval. 1. Scope* 1.1 These test methods cover

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    Case study A blue paint layer sample was collected from the wall decorations of the mortuary temple of Ramesses III (Medinet Habu. This temple is one of the largest memorial temples in Egypt. It measures 320 m in length (east to west) and about 200 m in width (north to south)‚ built with order of the Pharaoh Ramesses III (c.1184–1151 BC the 20th Dynasty). The micro-XRF spectrometer (SPECTRO‚ COPRA model) used to analyze the sample includes a side-window X-ray tube with Mo anode (Oxford Instruments

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    IB biology IA respiration

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    Background Research Yeast are eukaryotic microorganisms just like other organisms‚ they must respire in order to survive. Respiration can be defined as the controlled release of energy from organic compounds to form adenosine triphosphate (ATP). The type of respiration that occurs is called aerobic respiration. It occurs when glucose and oxygen are present. It can be summarized by the equation: . Enzymes play a very significant part in respiration. During the different stages of respiration‚ enzymes

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    The first is the quality of the calorimeter. With a simple plastic lid‚ our cheap colorimeter is relatively effective for a low cost but without a proper seal and adequate insulation some of the heat from the reaction was transferred to the surrounding environment instead of the liquid in the cups. This would cause our experimentally collected

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    Task 3 – D Why is it important for all laboratory procedures and practices to be followed and communicated through the team? Chemical Store management – it is vital for chemical storage procedures to be followed as the potential risks that can result from using and handling chemicals can be very high. For example; mishandling of citric acid (even though it is a low risk chemical) could result in contact with the skin and/or eyes which may cause irritation‚ miscommunication between the staff could

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    Carbohydrate

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    January 1999 B io Factsheet Example glucose fructose galactose Number 39 Carbohydrates: Revision Summary Carbohydrates contain 3 elements: Carbon (C)‚ Hydrogen (H) and Oxygen (O). Thus‚ if we remove water from carbohydrates‚ all that remains is carbon. Carbohydrates can be divided into 3 categories; monosaccharides‚ disaccharides and polysaccharides (Table 1). Table 1. Structure of monosaccharides‚ disaccharides and polysaccharides Category Monosaccharide (made of 1 sugar molecule)

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    Available online at www.pelagiaresearchlibrary.com Pelagia Research Library European Journal of Experimental Biology‚ 2012‚ 2 (2):385-388 ISSN: 2248 –9215 CODEN (USA): EJEBAU Effect of cooking on amylose content of rice ______________________________________________________________________________ ABSTRACT In diabetes type 2‚ there is a deficiency of insulin which results in improper/ slow breakdown of food. This results in sugar level spikes immediately after a meal‚ which can be

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    1 TOPIC 4 Course Learning Outcomes Able to : 1. Explain the fundamental concepts & theories of separation techniques in SFC & SFE. 2. Sketch‚ label the schematic diagrams & discuss the function of each component in SFC & SFE. 3. Identify the strength & limitations of SFC & SFE technique. 4. Suggest and justify the most suitable & efficient separation technique to be employed for an analysis. 2 What is supercritical fluid? 3 Critical temperature (Tc) for any substance is a temperature

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    Si Units

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    —————————————————————————— Bureau International des Poids et Mesures The International System of Units (SI) 8th edition 2006 —————————————————— Organisation Intergouvernementale de la Convention du Mètre 94 Note on the use of the English text To make its work more widely accessible‚ the International Committee for Weights and Measures has decided to publish an English version of its reports. Readers should note that the official record is always that of the French text.

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