Model and specification: 7820A of Agilent company. Agilent gas chromatography system integrates innovative technology, instrument intelligent function and excellent reliability, which can meet the needs of analysis, detection and research laboratories in various application fields such as environment, food safety, forensic medicine, energy and chemical industry.The intelligent function of the integrated instrument can help avoid the problems of gas chromatography, so as not to affect the performance of chromatographic analysis, so as to prolong the normal operation time, reduce the use and maintenance cost and improve the reliability of the results.It can be used to detect the residue and content of products. Our company is mainly used to detect the residue of ethylene oxide and chloroethanol in gelatin empty capsules. The equipment adopts the mode of workstation, which greatly ensures the accuracy, reliability and traceability of the system.