Gas chromatography nptel
WebAug 15, 2024 · Gas liquid chromatography (GLC): The liquid stationary phase is bonded or adsorbed onto the surface of an open tubular (capillary) column, or onto a packed solid support inside the column. Matching the polarities of the analyte and stationary phase is not an exact science. The two should have similar polarities. WebJan 22, 2024 · The procedure of Gas Chromatography Step 1: Sample Injection and Vapourization A small amount of liquid sample to be analyzed is drawn up into a syringe. The syringe needle is positioned in the hot …
Gas chromatography nptel
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WebA brief history of the beginnings of quantitation in Chemistry, defining chemical stoichiometry and molarity. Defining Molality and Normality, relationship with Molarity. Defining other parameters for concentration (%, ppm/ppb, p-value) Relationship between various concentration parameters. Problems on acid-base equilibria, calculation of pH of ... WebIntroduction and Basic concepts in chromatography 1; Basic concepts in chromatography 2; Low-pressure liquid chromatography (LPLC) and high performance liquid chromatography (HPLC) Ion-exchange chromatography; Gel-filtration …
WebMar 17, 2024 · Gas chromatography (GC) is an analytical technique used to separate and detect the chemical components of a sample mixture to determine their presence or absence and/or quantities. These chemical … WebAnd one of the reasons is that in chromatography, it's always an interaction between the two phases. Here it's the vapor phase, or the gas phase, with the liquid phase, also known as the stationary phase. So compounds like this orange one that move really fast, really, really like to interact with the gas. And this is because they probably have ...
WebGas Chromatography: Detectors, Advantages and Applications 1,282 views May 29, 2024 34 Dislike Share Save Dr.Mangesh Dushing 901 subscribers Show more 12 years ago 29K views 1 year ago 722K... WebAnalytical Technologies in Biotechnology by Dr. Ashwani K Sharma,Department of Biotechnology,IIT Roorkee.For more details on NPTEL visit http://nptel.iitm.ac.in
WebSep 5, 2024 · The Chromatographic Process. Gas chromatography is a separation technique in which the components of a sample partition between two phases: The stationary phase. The mobile gas phase. According to the state of the stationary phase, gas chromatography can be classified in gas-solid chromatography (GSC), where the …
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