DEVICE FOR SAMPLE DELIVERY INTO GAS CHROMATOGRAPH Russian patent published in 2010 - IPC G01N30/16 

FIELD: instrument making.

SUBSTANCE: device for sample delivery into gas chromatograph comprises serially connected input chamber placed into thermostat and connected to pump via valve. Besides device comprises line of sample input into analyser, and also line of carrier gas, including source of carrier gas. At the same time source of carrier gas is connected via valves to input chamber and line of sample input. Besides input chamber comprises universal unit of fixation of mutually replaced injectors and at least one sealing element. At the same time device is additionally equipped with pressure sensor, which registers pressure variation in input chamber.

EFFECT: development of universal device of sample input, providing for its application in gas chromatographic instruments designed for quality and quantity analysis of substance trace contaminants in gaseous, liquid and solid samples, and making it possible to quickly replace injector in chromatograph under conditions of gas chromatographic analysis in place of sampling.

8 dwg