Green techniques in gas chromatography

Abstract

Gas chromatography (GC) is one of the most important analytical techniques among the various chromatographic processes currently in use. To widen it's applicability and acceptability analysts are now concentrating to develop green GC, replacing conventional GC. The appreciating feature of green GC is it's environment-friendliness by the way of reducing/eliminating the amount of solvents required for sample preparation and amount of waste generation or emission of volatile products. Reduction in chromatographic runtime and the possibilities of integrating GC with other efficient analytical tools are the other advantages of green GC which make it a highly efficient, sensitive and fast method of analysis in chemical science. This chapter highlights the different aspects of gas chromatography in the light of green techniques starting from sample preparation to the selection of mobile phase as well as chromatographic columns to be adopted. Coupling other analytical tools with GC to focus the versatility and high accuracy of analysis with dual system of separation and detection is also discussed.