Using the Shimadzu GC System in the Fuel-Grade Ethanol Production Laboratory

Introduction

Gas Chromatography (GC), sometimes referred to gas-liquid chromatography, is a mature chromatographic procedure in which the moving phase is a gas. A stationary phase, a liquid coating on a solid support or tubing is also necessary. Over time, highly efficient GC columns have been developed, based on the use of narrow fused silica capillary tubing and very thin polymeric coatings on the inside walls of these capillaries. This has led to analyses that show great levels of chromatographic separation, an important consideration when the sample can have many peaks.

July 16, 2008 GMT