中华人民共和国国家环境保护标准HJ1132—2020固定污染源废气氮氧化物的测定便携式紫外吸收法Stationarysourceemission—Determinationofnitrogenoxides—Portableultravioletabsorptionmethod（发布稿）本电子版为发布稿，请以中国环境出版集团出版的正式标准文本为准。2020-05-15发布2020-08-15实施生态环境部发布i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结果计算与表示...........................................................................................................................411精密度和准确度...................................................................................
