1.0 INTRODUCTION Flame photometry‚ also referred to as ’flame atomic emission spectrometry ’ is a quick‚ economical and simple way of detecting traces of metal ions‚ primarily Sodium‚ Potassium‚ Lithium‚ Calcium‚ and Barium‚ in a concentrated solution. The process is an extension of the principles used in a flame test‚ with the main differences having more precision in the results‚ and the use of more advanced technology. This report focuses on the theory‚ applications‚ limitations and analysis
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water weight (Grosvenor‚ Smolin‚ 2006). Water is in the cells that make up tissue and organs: even in our bones. The water inside cells is called intracellular fluid and passes through the walls of cells with the assistance of proteins‚ sodium‚ and potassium which are dissolved in the body. This ebb and flow of intracellular fluid controls the levels of dissolved substances in the different compartments of the body. When particle concentrations are too high‚ water flows in to dilute‚ lowering the concentration
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orange red Strontium Nitrate bright orange Copper II Nitrate bright green Copper II Chloride strong light green Sodium Nitrate strong orange Sodium Chloride a soft orange Potassium Nitrate soft peach Potassium Chloride peach with orange outline
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solution the Paramecium were moving forward for about 45% of the time. I was observing them. They changed direction frequently going in a jerking motion and a paranoid state (moving backwards.) They were still going at an average speed. For the Potassium solution the Paramecium were moving forward for 58% of the time. The rest of the time they were changing
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Chapter 1- Introduction Background of the Study: Statement of the problem: The research is generally aimed to determine the effect of sweet potato peelings as soil enhancer. Specific: 1. Is there a change in NPK (nitrogen‚ potassium and phosphorus) in the soil after applying 25‚ 50‚ and 75 grams of sweet potato after the interval of 3 days? 2. Is there a change in the soil ph in the soil’s color after applying 25‚ 50‚ and 75 grams of sweet potato after the interval of 3
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finally examine the final product for the presence for ions. Materials- Sheet of Paper Lead (II) Nitrate Potassium Iodide Deionized Water Filter Paper Charcoal Matches Equipment- Clean dry spatula Small Beakers Glass stirring rod Ring stand Funnel Tweezers Bunsen Burner Small Test Tubes Safety- During this lab we are dealing with some dangerous chemical including Lead Nitrate‚ Potassium Iodide. In this lab you will need to be wearing safety goggles at all times and closed toed shoes and for people
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confirmation test to identify specific elements. Procedure: I began the lab by preparing a safe work area and the required metallic ions. The ions used in this lab were as follows: Barium Nitrate‚ Calcium Nitrate‚ Cupric Nitrate‚ Lithium Nitrate‚ Potassium Nitrate‚ Sodium Nitrate‚ Strontium Nitrate‚ and an unknown solution. I placed 0.5 mL of sodium nitrate into a well on the 24-well plate‚ recording its location. I placed 0.5 mL of the other 7 solutions in 7 other wells on the plate‚ recording their
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sodium hydroxide (NaOH) in water affected by temperature? ! ! Introduction ! Sodium hydroxide is categorised as metal halide salt‚ composed of sodium and chlorine.! The ions present in the solid crystals of potassium chloride dissolve and gain mobility in water. When potassium chloride is dissolved in water‚ the following endothermic reaction occurs:! NaOH(s) + H2O(l) → Na+(aq) + OH–(aq) + H2O(l)! This reaction takes place because water is a polar solvent and display a permanent dipole
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and intracellular fluids is vital to life. List and briefly describe the kinds of homeostasis involved. 2. Why does maintaining fluid balance in older people require a higher water intake than in a normal‚ healthy adult under age 40? 3. Why does potassium concentration rise in patients with acidosis? What is this called? What effects does it have? 4. Saline solution is used to reverse hypotonic hydration. Are body cell membranes permeable to saline? Explain your response. 5. Explain the renin-angiotensin
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The Human Body and Water XXXXXXX University of Phoenix/ Axia College SCI 241 July 1‚ 2009 The Human Body and Water The Most Important Nutrient Of all vitamins and minerals in the human body water is the most important. It is the one essential nutrient that the human body cannot survive without. The adult human body is comprised of approximately 60% water‚ the body of a small child‚ infants for example is comprised of approximately 70% water. Water is found throughout the body
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