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Gas Chromatography

Gas chromatography (GC), is a common type of chromatography used in organic chemistry for separating and analyzing compounds that can be vaporized without decomposition. Typical uses of GC include testing the purity of a particular substance, or separating the different components of a mixture (the relative amounts of such components can also be determined). In some situations, GC may help in identifying a compound. In microscale chemistry, GC can be used to prepare pure compounds from a mixture. In gas chromatography, the mobile phase is a carrier gas, usually an inert gas such as helium or an unreactive gas such as nitrogen. The stationary phase is a microscopic layer of liquid or polymer on an inert solid support, inside a piece of glass or metal tubing called a column. The instrument used to perform gas chromatography is called a gas chromatograph. The gaseous compounds being analyzed interact with the walls of the column, which is coated with different stationary phases. This causes each compound to elute at a different time, known as the retention time of the compound. The comparison of retention times is what gives GC its analytical usefulness.

gas chromatography products below

GC Autosamplers

Rugged, easy-to-use autoinjector/sampler systems  for both QA/QC and high-throughput environmen ...

GC Columns

Rugged, easy-to-use autoinjector/sampler systems  for both QA/QC and high-throughput environmen ...

RIGAS LABS

Rigas Labs offers to the Greek scientific society a bunch of companies that are leaders in the instruments industry worldwide.
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