This essay briefly introduces the historical development of gas chromatography and mass spectrometry technology,it combines important results of GC and GC-MS in environmental monitoring,GC and GC-MS may analyse Polynu...This essay briefly introduces the historical development of gas chromatography and mass spectrometry technology,it combines important results of GC and GC-MS in environmental monitoring,GC and GC-MS may analyse Polynuclear aromatic hydrocarbons,Pesticide,PCBs,PDBEs and Multicomposit ion of organic pollutants,etc.It also elaborates the developing trend of the gas chromatography technology.展开更多
设计了一种用于快速气相色谱(Fast gas chromatography,FGC)的新型控制系统.该控制器主要由色谱柱温度控制系统、自动进样及气路压力控制系统组成.其温度控制范围为30~160℃,升温速度约为3C/s,温度控制精度为±0.5℃,载气压力控...设计了一种用于快速气相色谱(Fast gas chromatography,FGC)的新型控制系统.该控制器主要由色谱柱温度控制系统、自动进样及气路压力控制系统组成.其温度控制范围为30~160℃,升温速度约为3C/s,温度控制精度为±0.5℃,载气压力控制范围为0~0.5 MPa.将本控制器应用于自制快速色谱,并用色谱对由直链正构烷烃(C1~C8)以及甲苯9种物质组成的标准样品进行测试.结果显示,色谱能在100 s内将此9种物质完全分开.展开更多
文摘This essay briefly introduces the historical development of gas chromatography and mass spectrometry technology,it combines important results of GC and GC-MS in environmental monitoring,GC and GC-MS may analyse Polynuclear aromatic hydrocarbons,Pesticide,PCBs,PDBEs and Multicomposit ion of organic pollutants,etc.It also elaborates the developing trend of the gas chromatography technology.
文摘设计了一种用于快速气相色谱(Fast gas chromatography,FGC)的新型控制系统.该控制器主要由色谱柱温度控制系统、自动进样及气路压力控制系统组成.其温度控制范围为30~160℃,升温速度约为3C/s,温度控制精度为±0.5℃,载气压力控制范围为0~0.5 MPa.将本控制器应用于自制快速色谱,并用色谱对由直链正构烷烃(C1~C8)以及甲苯9种物质组成的标准样品进行测试.结果显示,色谱能在100 s内将此9种物质完全分开.