中华人民共和国国家生态环境标准HJ1240—2021固定污染源废气气态污染物(SO2、NO、NO2、CO、CO2)的测定便携式傅立叶变换红外光谱法Stationarysourceemission—Determinationofgaseouspollutants(SO2,NO,NO2,CO,CO2)—PortableFouriertransforminfraredspectroscopymethod本电子版为正式标准文本,由生态环境部环境标准研究所审校排版。2021-12-30发布2022-06-01实施生态环境部发布HJ1240—2021i目次前言.................................................................................................................................................................ii1适用范围........................................................................................................................................................12规范性引用文件.............................................................................................................................................13术语和定义....................................................................................................................................................14方法原理........................................................................................................................................................25干扰和消除....................................................................................................................................................26试剂和材料....................................................................................................................................................27仪器和设备....................................................................................................................................................28样品................................................................................................................................................................39分析步骤........................................................................................................................................................310结果计...