PPT-Gas Chromatography Introduction, theory, instrumentation,
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derivatization Temperature programming advantages disadvantages and applications 1 Dr Nisha Sharma Associate Professor Pharmacy CSJM University INTRODUCTION GAS
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Gas Chromatography Introduction, theory, instrumentation,: Transcript
derivatization Temperature programming advantages disadvantages and applications 1 Dr Nisha Sharma Associate Professor Pharmacy CSJM University INTRODUCTION GAS CHROMATOGRAPHY Origin of gas chromatography 1905 W Ramsey . PREPARED BY-. MD.MARUF HASSAN. Chromatography. The process or technique of separating molecules or components in a mixture . solution (gas or . liquid) . according . to the differential absorption and elution . Chapter 4. Best Broken into four categories. Theoretical Background. Gas Chromatography. HPLC. Quantitation, Calibration, Standardisation and Validation. Theory. Review of Partitioning. You need to be aware of the following concepts in order to have any idea about this chapter!. 10/9/2013. Ohio University - Dr. Cyders. 1. Engineering measurements are usually taken by some form of . transducer. . A transducer transforms one form of energy into another – an example would be a thermocouple, which converts a temperature differential to an . 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. . 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” . Instrumental Analysis Instrumentation Paper Chromatography GC – Gas Chromatography HPLC- High Performance Liquid Chromatography IR – Infrared Spectroscopy UV-Vis Spectroscopy MS – Mass Spectrometry . 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. Gas Chromatography Mass Spectrometry Dr Kersti Karu email: kersti.karu@ucl.ac.uk Office number: Room LG 11 Recommended Textbooks: - “ Analytical Chemistry ” , G. D. Christian, P. K. Dasgupta pH Meter. pH Meter. What is pH Measurement?. pH Measurement specifies the degree of relative acidity or alkalinity of an aqueous solution at a given temperature. . It is generally measured using a pH Meter. . 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 . A. . technique for the separation of a mixture by passing it in solution or suspension through a medium in which the components move at . different . rates. .. Principle. It is based on the principle of the partition of the solute between two phases/solvents. 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.
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