中华人民共和国国家生态环境标准HJ1219—2021环境空气和废气吡啶的测定气相色谱法Ambientairandwastegas—Determinationofpyridine—Gaschromatographymethod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。2021-12-16发布2022-06-01实施生态环境部发布HJ1219—2021i目次前言.................................................................................................................................................................ii1适用范围........................................................................................................................................................12规范性引用文件.............................................................................................................................................13方法原理........................................................................................................................................................14干扰和消除....................................................................................................................................................15试剂和材料....................................................................................................................................................16仪器和设备....................................................................................................................................................27样品................................................................................................................................................................28分析步骤........................................................................................................................................................49结果计算与表示.............................................................................................................................................510准确度.................................................................................................................
