Gas chromatograph-mass spectrometer convenient for replacing chromatographic column

• Main Authors: ZHAO ZHIYUAN, SUN ZHENYA, WEI TONGXIA, LIU JINFENG, YANG JIE, WAN YUANYUAN
• Format: Patent
• Language: Chinese; English
• Published: 04.10.2022
• Subjects: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; PHYSICS; TESTING

The utility model provides a gas chromatograph-mass spectrometer convenient for replacing a chromatographic column, the gas chromatograph-mass spectrometer comprises a gas chromatograph and a mass spectrometer, the gas chromatograph is provided with a gas injection port, the mass spectrometer is provided with a chromatographic column interface, the gas chromatograph-mass spectrometer further comprises a detection chromatographic column, an inactivation chromatographic column and a quartz two-way, one end of the detection chromatographic column is connected with a gas phase sample inlet, the other end of the detection chromatographic column is connected with the quartz two-way joint, one end of the inactivation chromatographic column is connected with the quartz two-way joint, and the other end of the inactivation chromatographic column is connected with the chromatographic column interface. When the chromatographic column is replaced, the combination instrument has the advantages of high replacement speed, hi