What is Gas Chromatography and where is it Used?



Gas chromatography is a method used to separate various types of gases as well as to measure them. Gas chromatography is a common type of chromatography in analytical chemistry. Gas chromatography method is used to analyze the gases such as ethylene at low concentrations. The gas chromatography method is used to make multiple different types of products such as GC columns, detectors, pumps, autosamplers, etc. Gas chromatography columns are one of the most important products made by the GS method. Gas chromatography column suppliers and other GS product makers work with GS experts to produce the products that are highly efficient.

Gas chromatography column suppliers are the front runners to use the latest technology. There are several ways that the process of Gas chromatography is used; some of them are.

Groundwater Quality Detection

One of the biggest utilities of Gas Chromatography is the process of groundwater quality detection. The use of gas chromatography found its new identity when several studies confirmed in the 1960s that Gas chromatography could be used in a number of ways to bring more efficiency in analytical techniques in the organic analytical industry. The gas chromatographic column temperature changes and the carrier gas flow along with distribution between the stationary phase and samples present in a constant state of dynamic equilibrium. Gas chromatography brings the advantages of high sensitivity, high accuracy, and precision. It is suitable for batch analysis. Gas chromatography has been being used for a while to perform a test procedure to determine the quality of groundwater.

Carbohydrate Reactions

Gas-liquid chromatography is used to determine monosaccharides by the use of alditols. Monosaccharides can be detected in a food product; they are extracted from the product. The alditol peracetates can be easily evaporated and their mixture can be analyzed by using the gas-liquid chromatography. The monosaccharides in the mixture of sugars are reduced to alditols by the use of sodium or potassium borohydride then the acetylation is completed as the resulting mixture of alditols with acetic anhydrite.

Alkaloid Chemistry

Gas chromatography provides a quick and subtle way of extracting alkaloids in a mixture. Gas chromatography is divided into two subclasses. One is gas-solid chromatography (GSC). GSC consists of a solid material such as granular silica, carbon or alumina. GSC is a very important method as it separates the permanent gases and low-boiling hydrocarbons. The other subclass is gas-liquid chromatography which is more important for lupine alkaloid analysis. Gas chromatography consists of six parts they are- supply of carrier gas in the high-pressure cylinder, injection system, the separation column, detectors, electrometer and integrator, separate thermostatic compartments for housing the columns. Gas-liquid chromatography is qualitative in general, but the quantitative method also presents in the method of alkaloid analysis. The only apparent problem that occurs in the distribution of the alkaloid mixture is that the whole process is ultra-sensitive.

Gas chromatography is a complex method that requires depth work done by experts and recently with the inclusion of latest technology and machinery systems that conduct the making of GS products as efficient as ever and as innovative as never seen before.

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