In isothermal operations the column temperature is constantly maintained throughout all of the analysis. However, this operation has its own drawbacks especially in the presence of heavy (C4 and above ...

The ability to quickly and precisely analyze the physical properties and chemical composition of natural gas is vital for natural gas producers, gatherers, and gas distribution companies for custody ...

We report the design, fabrication and characterization of a microelectromechanical systems (MEMS) flow control device for gas chromatography (GC) with the capability of sustaining high-temperature ...