Chromatography Essays

  • Liquid Chromatography Essay

    1155 Words  | 3 Pages

    Capillary Liquid Chromatography- Mass Spectrometry What is Chromatography? Chromatography is the technical term for a set of laboratory approaches for the separation of mixtures (Solid/Liquid/Gas). The mixture is dissolved in a fluid which called the mobile phase, which carries it through a structure holding another material known as the stationary phase. The various constituents of the mixture transport at different velocities, causing them to separate. The separation is mainly based on differential

  • What is Ion Chromatography?

    1879 Words  | 4 Pages

    The term chromatography refers to different methods of molecular separation between a mobile phase and a stationary phase based on various physio-chemical properties. There are many types of chromatography that are used as analytical tools in environmental science, forensics, metallurgy, biology, etc. Some common examples are thin layer chromatography (TLC), gas chromatography (GC), high performance liquid chromatography (HPLC) and ion chromatography. Ion chromatography (IC) was introduced as an

  • Chromatography

    921 Words  | 2 Pages

    Chromatography is a method of separating and analyzing complicated substances. This is done in two phases, a mobile phase and a stationary phase .During the stationary phase, said substance is stationary, while during the mobile phase, the substance moves in a specific direction. During the mobile phase, the substance is filtered through the stationary phase. The stationary phase in necessary in order for the substances to be separated even though it doesn?t involve movement of the substance because

  • Paper Chromatography Lab

    515 Words  | 2 Pages

    lab, we used chromatography, which is a technique that uses the differences in physical properties and intermolecular forces of the components in a mixture to separate them. Although there are different forms of chromatography, they all have a stationary and mobile phase. The mobile phase moves through the stationary phase and carries the components of the mixture at different rates. In this lab, paper chromatography and column chromatography will be used. In the paper chromatography, the paper

  • candy chromatography

    631 Words  | 2 Pages

    Candy chromatography My experiment is called candy chromatography. This project is mainly about the colors that are mixed with other colors to make candy markers Koolaid and much more. I think that only the color of the candy is going to show up on the coffee paper. I think that threw the entire experiment the color in the candy is going to show up the entire time. I think this is going to happen because most of the colors are solid colors. The material and equipment used was a sample of candy

  • Tank Chromatography.

    2593 Words  | 6 Pages

    Tank Chromatography Introduction: Chromatography is a method used to separate both organic and inorganic compounds so that they can be analysed. Scientists often use chromatography to figure out which basic constituents makes up a specific mixture. Chromatography relies on the principle of selective absorption. A botanist named M.S. Tswett in 1906 first discovered chromatography. Tswett used a method called 'column chromatography' to separate chlorophylls by pouring petroleum-ether

  • Countercurrent Chromatography Essay

    698 Words  | 2 Pages

    Quinn Little CHEM 4614 Dr. Jennifer Jamison 4/30/2014 Countercurrent Chromatography Separations are important techniques in chemistry that are used to separate various components of a mixture. They are carried out by mixing two immiscible liquids containing certain solutes together in a separatory funnel, allowing them to separate, then extracting the distinct layers that form. The ratio of the concentration of solute present in the upper layer to the concentration in the lower layer is called

  • Bioaffinity Chromatography Essay

    1076 Words  | 3 Pages

    Bioaffinity chromatography is a type of affinity chromatography in which biological compounds such as immunoglobulin-binding proteins, enzymes, lectins, carbohydrates, avidin/biotin system and antibodies are used as ligands (Hage, 2006). Immunoglobulin-binding proteins, namely protein A which is produced by Staphylococcus aureus and protein G which is produced by streptococci, are the ligands that are used in the vast majority of bioaffinity chromatographic applications (Tetala and van Beek, 2010)

  • Chromatography Essay

    1262 Words  | 3 Pages

    Chromatography is the laboratory technique for separating mixtures into their components for analyzing, identifying, purifying or quantifying the mixtures or components. The mixture dissolved in the mobile phase (gas or liquid) is passed through the stationary phase (liquid or solid), which separates the analyte from the other molecules in the mixture. The differences in the migration rate of the compounds in these two phases effects the separation. Chromatography is either preparative or analytical

  • Disadvantages Of Chromatography

    1958 Words  | 4 Pages

    Chromatography is a method used to separate the analyte that needs to be studied from the sample. Two phases include in this method that is stationary phase where it does not move and the mobile phase, which is the fluid that transport in the system. In mobile stage, the fluid can be liquid or gas contingent on the types of chromatography being utilized. In chromatography, the sample is first dissolved in the mobile phase before proceeding through the stationary stage. In stationary phase

  • Thin Layer Chromatography Lab Report

    622 Words  | 2 Pages

    The purpose of these lab was to help students understand the chromatographic techniques of column chromatography and Thin layer chromatography. Column chromatography is used to help students understand the relationship between eluting power and polarity. Eluting power is defined as the ability of the mobile phase to move a substance from stationary phase. The polarity of the solvent used in the lab can be described as Methanol> acetonitrile>acetone>ethyl acetate> hexane in decreasing order. Since

  • Ion Exchange Chromatography Lab Report

    703 Words  | 2 Pages

    Abstract: Using Ion Exchange Chromatography, cellulase was purified. After purification, it was analyzed using a DNS test. The purified protein did not respond to the DNS the way it was expected to. Introduction: Purifying proteins is an important part of biology because it can help identify the function of that protein. Once a protein’s function has been identified, it can be manipulated to see how the function would change if the protein was changed. A common way to purify a protein is through

  • The Importance Of Chromatography In Forensics

    1298 Words  | 3 Pages

    What is chromatography along with how is chromatography used in Forensics? Well in this research paper I will be answering these questions, while explaining how chromatography has been used to solve cases not only in Georgia, but throughout the United States. First, I will start by explaining that chromatography is the separation of a mixture by passing it in a solution or suspension or as a vapor (as in gas chromatography) through a medium in which the components move at different rates. There is

  • Paper Chromatography Essay

    1169 Words  | 3 Pages

    we worked with paper chromatography. Before discussing the experiment in full detail, we must first review what exactly paper chromatography is. Paper chromatography is a certain technique used for separating different mixtures. It uses a specific type of paper made up of cellulose, and has a solution that separates the mixture into the multiple substances that make up that mixture1. Paper chromatography can also test the purity of the mixtures as well2. Paper chromatography was first developed in

  • Paper Chromatography Essay

    998 Words  | 2 Pages

    understand the process of chromatography by separating different mixtures. In one experiment, students had to separate b-carotene and chlorophyll in spinach. In the seconds experiment, students were expected to separate the different colors or compounds within several dyes. In this second experiment, students not only took a paper chromatography of the different dyes, but also of the spinach juice. Furthermore, students also calculate the Rf values for the paper chromatography experiment; students collected

  • Chromatography Lab

    1097 Words  | 3 Pages

    Separating Components Of A Solution Using Chromatography Introduction In this lab, solutions were separated by polarity and affinity to solids by chromatography. Chromatography is the separation of a mixture, where the components move at different rates up a medium. The medium used was chromatography paper, matched with a series of developers to aid in movement of compounds upwards. The distance moved up the paper is measured and the rf is calculated. The distance the pigments traveled is divided

  • Essay On Chromatography

    1117 Words  | 3 Pages

    Introduction: Chromatography is a technique used to separate small quantities of mixtures into its individual components. This is done by distributing the components between two phases: stationary and mobile. The stationary phase is the system in which the materials to be separated are absorbed. The mobile phase is the mixture of solvents that flows through the stationary phase. Separation for each substance is based on the different affinities each has for each phase, low affinity for moving phase

  • Gas Chromatography Lab Report

    607 Words  | 2 Pages

    Elizabeth Ochoa | 15492972 Post Lab | 40862 INTRODUCTION Elimination Reactions and Gas Chromatography Reagents undergo different mechanisms when made to react depending on temperature exposure and the type of solvent used. Elimination, substitution, and addition reactions are constantly in competition with each other. However, when these same reagents are made to interact under high temperatures, the products predominantly observed are elimination products. Ultimately, through this experiment different

  • Chromatography Of Candy Dyes

    2947 Words  | 6 Pages Chemistry Lab 016b , Science In Motion, University of Pittsburgh at Bradford Determination of Food Dye Concentrations in an Unknown Aqueous Sample Using HPLC CHEM 1011, Separation of Dyes by Paper Chromatography, Austin Peay State

  • Essay On Absorption Chromatography

    567 Words  | 2 Pages

    Adsorption chromatography Adsorption chromatography utilizes the principle of differing in strength of adsorption of gas or liquid solutes (also known as mobile phase) onto column material (also known as stationary phase) by non-covalent bonds such as hydrogen or hydrophobic interactions. Separation is achieved by a series of adsorption and desorption of mobile phase solutes. Those with lower affinity and adsorption to stationary phase move faster and eluted out first while those with greater adsorption