介绍了北京市东西电子技术研究所(北京东西分析仪器有限公司)、开发生产的的GC-4400型便携式光离子化气相色谱仪。该仪器具有重量轻、线性范围宽、灵敏度高的优点。苯的检出限低至1 p g,优于配备氢火焰检测器的实验室气相色谱仪两个数...介绍了北京市东西电子技术研究所(北京东西分析仪器有限公司)、开发生产的的GC-4400型便携式光离子化气相色谱仪。该仪器具有重量轻、线性范围宽、灵敏度高的优点。苯的检出限低至1 p g,优于配备氢火焰检测器的实验室气相色谱仪两个数量级。展开更多
The operational principle and the specifications of a portable photoiorization gas chromatograph are described.The chromatograph is composed of two injectors, two columns and one photoionization detector. It has the a...The operational principle and the specifications of a portable photoiorization gas chromatograph are described.The chromatograph is composed of two injectors, two columns and one photoionization detector. It has the advantages of wide linear dynamic range, high sensitivity and light weight. The instrument can be used for analyzing trace gases or Vapours in enviromental air and detecting air pollution in working places. Examples of applications are presented.展开更多
文摘The operational principle and the specifications of a portable photoiorization gas chromatograph are described.The chromatograph is composed of two injectors, two columns and one photoionization detector. It has the advantages of wide linear dynamic range, high sensitivity and light weight. The instrument can be used for analyzing trace gases or Vapours in enviromental air and detecting air pollution in working places. Examples of applications are presented.