PPT-Chromatography and

Instrumentation Invented by a Russian Botanist Mikhail Tswett in 1903 He used chromatography to separate the colour pigments in plants from one another Chromatography is a separation technique in which a mobile phase carrying a mixture moves in contact with a selectively adsorbent stationary phase. Supervisor:. Anton Zavialov. By: . Elham Barazeghi. Mehrafarin Ramezani. Affinity Chromatography:. Separation of proteins by reversible interaction of proteins and specific ligand in matrix of column. Separating . immiscible liquids. E. . Haniff. Objectives. Separate a mixture of different solutions using a given solvent (by difference of . solubilities. ). Separate a mixture of immiscible liquids. The next two (2) experiments introduce Gas Chromatography and Simple & Fractional Distillation. This Week. Gas Chromatography – Acetates. Pavia – p. 817 - 836. Slayden – . p. 39 - 31. . Principle and Definition. Principle. The principle of chromatographic separation is very simple. The process is achieved by . distributing the substances. to be separated between a . mobile phase. and a . Experiment 6. BCH 333. [practical]. Objectives:. -. Separation . of amino acids using paper . chromatography and TLC.. :. Chromatography. -is the collective term for a set of laboratory techniques . for separate and identify the components of a mixture. Hazards and Controls. Flash Chromatography. Hazard . Control. Spilled solvent could contact skin. Solvent could penetrate through gloves and contact skin . Wear goggles, gloves (nitrile), and lab coat. Stationary phase. Mobile phase. Separation AND Characterization. Chromatography Basics. Based on different affinities for stationary and mobile phases. Silica gel: polar, water-covered surface. Compound(s). Mikhail . Tswett. , Russian, 1872-1919 . In 1906 . Tswett. used chromatography to separate plant pigments, He called the new technique . chromatography. . because the result of the analysis was . 'written colors” . Evidence. 1. Class characteristic—ink analysis, paper analysis, most handwriting analysis. 2. Individual characteristic--With document analysis, it is difficult to identify to an individual characteristic except with typewriter or printer specific marks.. . Chemistry. II. Gas. . Chromatography. Mobile . phase. : . inert. . gases. (. helium. , . nitrogen. , argon . etc. ). Stationary. . phases. : in . capillary. . column. Liquid (. siloxane. . polymers. 1. Dr. Nisha Sharma, Associate Professor, Pharmacy, C.S.J.M. University. INTRODUCTION: GAS CHROMATOGRAPHY . Origin of gas chromatography: 1905, W. Ramsey . Separated mixture of gases and vapors . Used solid adsorbent: activated charcoal. . A sample containing the materials to be separated is injected into the gas chromatograph. . Gas Chromatography. A mobile phase (carrier gas) moves through a column that contains a wall coated or granular solid coated stationary phase. . Dr.Methak. A . ljboori. Ion Exchange Chromatography. Ion exchange chromatography (IEX) is a technique that is commonly used in . biomolecule. purification. It involves the separation of molecules on the basis of their charge. Mikhail Tswett. Russian Botanist. (1872-1919). . Mikhail Tswett. invented chromatography in 1901 during his . research on plant pigments. . . He used the technique to separate various plant pigments such as .