中华人民共和国国家生态环境标准HJ1223—2021环境空气挥发性有机物的应急测定便携式气相色谱-质谱法Ambientair—Emergencydeterminationofvolatileorganiccompounds—Portablegaschromatography-massspectrometry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2022-03-01实施生态环境部发布HJ1223—2021i目次前言.................................................................................................................................................................ii1适用范围........................................................................................................................................................12规范性引用文件.............................................................................................................................................13方法原理........................................................................................................................................................14试剂和材料....................................................................................................................................................15仪器和设备....................................................................................................................................................26监测前准备....................................................................................................................................................27样品................................................................................................................................................................28分析步骤........................................................................................................................................................29结果计算与表示.............................................................................................................................................510准确度...............................................................
