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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Enzyme Activity Over Different Concentrations and Effects The goals of this experiment were to examine the effectively of enzymes on samples of different enzyme concentrations and substrate concentrations. In addition‚ the experiment tested how effective enzymes are on samples of pH levels and temperature levels. A. Effect of Enzyme Concentration Hypothesis: With half as much enzyme concentration then the reaction rate will be half as much than when the enzyme concentration is equal
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conditions‚ the Clostridium tetani bacteria may reproduce by binary fission every 20 minutes. [St Margaret’s College]. To live and reproduce by binary fission‚ Clostridium tetani require water‚ food‚ moderate temperatures between 30 degrees celsius and 40 degrees celsius as well as neutral conditions‚ which are not too acidic or alkaline as “Most bacteria are killed by even weak acids”. [St Margaret’s College]. Some bacteria require oxygen to respire‚ and are Aerobic
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paragraph of it. So hope you enjoy the essay... The element francium has a lot of physical properties. Like francium atomic number is 87. Francium’s atom is (233)g.m ol and its destiny is unknown. Its melting point 27 celsius and its boiling point is 677 celsius. Francium is also very reactive to flame retardant. The element francium is very pretty. Some people would even make jewelry ( mostly earrings ). Francium was discovered by “Marguerite Perey”. Francium was discovered
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described as having warm‚ wet summers and harsh winters. Its climate is usually transitional between maritime and continental. July is usually the warmest month of the year with temperatures around twenty degrees Celsius while January is the coldest with temperatures around minus five degrees Celsius and colder. Major Biomes that exist in such temperatures include Aquatic‚ Wetlands and Forests. Lithuania consists of about 3‚525‚761 people‚ its official language is Lithuanian and majority of the people are
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ZINC Zinc is one of the natural elements on the periodic table. It was discovered in Germany in 1746‚ by Andreas Marggraf. The name is from the German‚ ‘zinc’‚ which may be derived from Persian‚ which means ‘sing’. The element was known to the Romans but they rarely used it. When it was first used it was recognized. Zinc has a specification of metal made from ore or another material a process of distillation by electrolysis. The atomic number for zinc is 30. The mass number is 65.39 mass units
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962/4 2013-2014 Title: Thermal stability of Vitamin C in Fruit Juice Subtile: Effect of Temperature towards concentration of Vitamin C in Orange Juice Members of the group: Name Identification number Index Number Chan Chyi Yong 950818-08-6787 SA2051/1001 Choong Jian Wen 950620-08-5279 SA2051/1005 Liew Sin Yung 950507-08-5373 SA2051/1011 Yong Yi Xiang 950510-02-5531 SA2051/1018 Teacher Advisor: Pn Kanahambikai Date of Submit of this report: Marks:
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individual generate warmth from insulated dry clothing or going to a warm environment (Havenithet al. 2008). Active external warming comprises of applying hot water bottles in both armpits or by going in to a tub with hot water of approximately 44 degrees Celsius‚ and place both arms and legs outside of the
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LESSON PLAN Enrolment no : 07816702110 Class & sec : VII Pupil Teacher’s name : Nidhi Piplani Period : III Date: Duration : 30minutes Subject : Social Science (geography)
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What is Food Microbiology Food microbiology is the study of food micro-organisms; how we can identify and culture them‚ how they live‚ how some infect and cause disease and how we can make use of their activities. Microbes are single-cell organisms so tiny that millions can fit into the eye of a needle. They are the oldest form of life on earth. Microbe fossils date back more than 3.5 billion years to a time when the Earth was covered with oceans that regularly reached the boiling point‚ hundreds
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