PPT-Chromatography Invention of Chromatography

Mikhail Tswett Russian Botanist 18721919 Mikhail Tswett invented chromatography in 1901 during his research on plant pigments He used the technique to separate various plant pigments such as . Invention of Chromatography. 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 . embedded wifi extenders in STB or TV . Invention Summary:. Embedded wifi extender in STB or TV for better user experience. . Invention Description:. One of problem with WIFI is signal strength and reachability. This idea is to put wifi extenders inside a set top box or TVs and acting as a wifi extender. There are traditional wifi extenders available but that requires users to purchase additional equipments. This idea is all done within existing equipment in the home. . AP Investigation 5: Photosynthesis – Part I. Chromatography. T. echnique . used to separate a mixture into its component . molecules. The . molecules migrate, or move up the paper, at different rates because of differences in solubility, molecular mass, and hydrogen bonding with the paper. Turbo Stilts. Ava. 1/3/13. Inspiration for Invention. My dad put up Christmas lights, and had to climb up and down the ladder and constantly adjust it. . I surveyed the family to see whether there were everyday problems that they wished could be solved.. Lindsay Waterman, Caleb Guest. Teacher: Mr. Davis. Class A day AM. In the Beginning.. Invented . in 1784. First bifocals by Benjamin franklin. Patents. Addison Smith and J.R. Richardson both have patents on bifocals.. 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. 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.. GC . is currently one of the most popular methods for separating and analyzing compounds. . GC can be applied to the separation of any compound that is either naturally volatile (i.e., readily goes into the gas phase) or can be converted to a volatile derivative.. . 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. . 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. The word Chromatography is derived fro two Greek . words –. Chroma . means – colour and . graphein. . to write. . Chromatography is the collective term for a family of laboratory techniques for the separation of mixtures. Definition. Ion-exchange chromatography. (or . ion chromatography. ) is a process that allows the separation of ions and polar molecules based on the charge properties of the molecules. . 1975 by Small, Stevens and Baumann.