Chromatography serves mainly as a tool for the examination and separation of mixtures of chemical substances. Chromatography is using a flow of solvent or gas to cause the components of a mixture to migrate differently from a narrow starting point in a specific medium‚ in the case of this experiment‚ filter paper. It is used for the purification and isolation of various substances. There are two phases in chromatography: 1. Stationary Phase – a solid that does not move. In this experiment was the
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Extraction of DNA Science Fair Project 2013-2014 Produced by Nadia Walker Due Date: Monday January 20th 2014 Presented to Mr. Freimann Date Submitted: Monday January 20th 2014 Table of Contents Introduction page 1 Hypothesis and materials
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CALAMANSI (Citrofortunellamicrocarpa) AND ONION (Allium cepa) EXTRACT AS COCKROACH KILLER In Partial Fulfilment of the Requirements in the curriculum For Research II June 2012 Chu‚ Gaitlin Tim‚Annika TABLE OF CONTENTS Page Number Title i Acknowledgement I Abstract II Chapter I: Introduction 1 A. Background of the Study 1 B. Statement of the Problem 2 C
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In this lesson involving mixtures‚ Ms. Warburton was able to take a concept that seemed complex and difficult‚ and gave her students two methods to attack and solve the problems. One method is called the “Mixture Picture” and the other is called the “Seesaw Method.” I appreciated her introduction to mixture questions by declaring that “Mixture problems are perhaps the most dreaded type of problem in Algebra 1.” She stated it as very matter of fact‚ which of course brought a sense of impending
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homogeneous and heterogeneous mixtures and the conservation of mass. Thus‚ we will learn to utilize these scientific applications outside of the actual experiment. To begin‚ I prepared a chart to record my data. The activity asked
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DISTILLATION *Ibale‚ I.‚ Ibanez‚ E.‚ Jao‚ E.‚ Joson‚ E.‚ Juanico‚ R. 2D Pharmacy‚ Faculty of Pharmacy‚ University of Santo Tomas Abstract Distillation is a commonly used method for separating mixtures based on differences in the conditions required to change the phase of components of the mixture. The product obtained by distillation is called the distillate. Volatility is the property of changing readily from a solid or liquid to a vapor. There are two types of distillation‚ simple and fractional
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Chemistry 100 Experiment #2: Chromatography of Food Dyes Name: Cassandra DeVaux Date: April 17‚ 2014 Purpose: To learn how mixtures of compounds can be separated and what food dyes are found in certain foods Introduction: In this exercise we will separate food dyes from a variety of sources. We will first gather data on known dyes where we know how many substances make up the dye. Then we will collect data on some samples where we do not know the make-up. We will compare our
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Simple Distillation‚ Gas Chromatography: Preparation of Synthetic Banana Oil Introduction This experiment gave us the opportunity to work with a variety of new procedures as well as practice procedures that are new to us within the past few weeks of labs. Within the context of the scenario‚ we find that a distilling company that markets a popular banana liqueur is having problems. The banana plantation that they use to create their banana extract was hit hard by a hurricane and their reserves
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temperature of reaction mixture or at which the enzymatic reaction occurs. It can be varied by setting water bath at different desired temperature ranging from 0oC to100oC). Dependent variable: rate of amylase activity. It is measured by the rate of disappearance of starch molecules from the reaction mixture. Controlled variables: volume and concentration of starch solution; volume and concentration of amylase solution same drop size of iodine solutions; same drop size of reaction mixture taken out for iodine
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separating a mixture by chromatography. • Determine the effects of the mobile phase in separating a mixture by chromatography. • Conduct a separation using column chromatography. In the first week‚ the students will determine the best solvent system for separating a methylene blue/sodium fluorescein mixture by thin layer chromatography using silica gel and alumina as the stationary phase. In the second week‚ the students will separate a methylene blue/sodium fluorescein mixture by column chromatography
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