Standard Number: HJ 920-2017(HJ920-2017)
Chinese:环境空气 无机有害气体的应急监测 便携式傅里叶红外仪法
English:Ambient air Emergency monitoring of inorganic hazardous gases Portable Fourier Infrared (FTIR) method
Effective Date:2018-04-01
Standard Applicability:This standard is a qualitative and semi-quantitative method, applicable to the ambient air carbon monoxide, nitrogen dioxide, nitric oxide, sulfur dioxide, carbon dioxide, hydrogen chloride, hydrogen cyanide, hydrogen fluoride, nitrous oxide, ammonia and other inorganic hazardous gases, such as on-site emergency monitoring, as well as screening, census and other preliminary investigation work. Other inorganic gases can also be measured by this method if validated.
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