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This standard is formulated in order to implement the Environmental Protection Law of the People's Republic of China and the Law of the People's Republic of China on the Prevention and Control of Air Pollution, prevent and control ecological environment pollution, improve the quality of the ecological environment, and standardize the emergency determination methods of volatile organic compounds in ambient air. This standard specifies a portable gas chromatography-mass spectrometry method for the determination of volatile organic compounds in ambient air. Appendix A of this standard is a normative appendix, and Appendix B to Appendix E are informative appendices. This standard is published for the first time.

Name: capillary column
Fixative: 100% dimethylpolysiloxane
Specifications: 15m*0.25mm*1.0um
Model: HJ 1223-2021 Ambient air-Emergency determination of volatile organic compounds-Portable gas chromatography-mass spectrometry