Patent ID: 7281408

Claim:
A gas chromatograph having four or more analysis channels for simultaneous analysis of four or more fluid samples, the gas chromatograph comprising: four or more gas chromatography columns, each of the four or more gas chromatography columns comprising an inlet for receiving a gaseous mobile phase that includes a gaseous sample, a separation media effective for separating at least one separated component of the gaseous sample from other components thereof, and an outlet for discharging the separated gaseous sample, and a microdetector array comprising four or more microfabricated microdetectors integral with a substrate or with one or more microchip bodies mounted on the substrate, the four or more microdetectors having an inlet port in fluid communication with the outlet of one or more of the gas chromatography columns for receiving a separated gaseous sample, a detection cavity for detecting at least one separated component of the separated gaseous sample, and an outlet port for discharging the gaseous sample.