Gas Chromatography

Application of gas chromatography: The purpose of gas chromatography laboratory is to understand how various substances interact with solid surface. Chromatography is a separation technique that depends on the relative distribution of the components of the mixture between the mobile phase and the solid stationary phase. Chromatography measures the tendency of a substance to interact with or stay in the mobile phase. When carrying out a chromatography laboratory, the mobile phase must be a liquid or gaseous substance.

As you can see, gas chromatography is an important part of the scientific community of the 21st century. Gas chromatography is used for various tests and experiments and has opened doors to our society. Gas chromatography is an integral part of what we know, and now more people do not have gas chromatography, this is disappointing. We need to study gas chromatography better

There are four kinds of chromatographs. These are liquid chromatography, gas chromatography, thin layer chromatography and paper chromatography. The world uses liquid chromatography to test water samples for lake and river pollution. It is used for analysis of metal ions and organic compounds in solution. Liquid chromatography uses a liquid that can incorporate hydrophilic insoluble molecules. Gas chromatography is used at the airport to detect bombs and is used for evidence in various ways. It is used to analyze human body fibers and analyze blood found at crime scene. In gas chromatography, hydrazine is used to move the gaseous mixture through the column of absorbing material. Thin layer chromatography uses absorbing materials on flat glass or plastic plates. This is an easy and quick way to check the purity of organic compounds. It is used to detect pesticides and residual pesticides in food. We use a piece of paper as stationary phase

Gas chromatography (GC) is sometimes called gas-liquid chromatography (GLC), a separation technique in which the mobile phase is a gas. Gas chromatographic separation is always done in columns that are always "filled" or "capillary". The packed column is a conventional working horse for gas chromatography, cheaper and easier to use and generally provides sufficient performance. Capillary columns usually have higher resolution and are more expensive but are widely used, especially for complex mixtures. Both types of columns are made of nonadsorptive and chemically inert materials. Stainless steel and glass are commonly used for packed columns and quartz or fused silica for capillary columns.