HJ 871-2017 in English

本标准规定了测定环境空气中氯气、一氧化碳、硫化氢、氯化氟、氰化氢、光气、氟化氢、氨气、甲醛、苯乙烯、砷化氢、臭氧、二氧化硫、氮氧化物、苯和甲苯等16种有害气体的比长式检测管法。
本标准为定性半定量方法，适用于环境空气中氯气、一氧化碳、硫化氢、氯化氢、氰化氢、光气、氟化氢、氨气、甲醛、苯乙烯、砷化氢、臭氧、二氧化硫、氮氧化物、苯和甲苯等有害气体的现场应急监测，以及筛查、普查等先期调查工作。
目标物常见测定范围参见附录A。

Scope

This standard specifies the determination of chlorine, carbon monoxide, hydrogen sulfide, hydrogen chloride, hydrogen cyanide, phosgene, hydrogen fluoride, ammonia, formaldehyde, styrene, arsine, ozone, sulfur dioxide, nitrogen oxides, benzene and toluene in ambient air. Comparative length detection tube method for 16 harmful gases. This standard is a qualitative and semi-quantitative method, applicable to chlorine, carbon monoxide, hydrogen sulfide, hydrogen chloride, hydrogen cyanide, phosgene, hydrogen fluoride, ammonia, formaldehyde, styrene, arsine, ozone, sulfur dioxide, nitrogen oxides in ambient air On-site emergency monitoring of harmful gases such as benzene and toluene, as well as preliminary investigation work such as screening and census. See Appendix A for common measurement ranges of target objects.