中华人民共和国国家生态环境标准HJ1220—2021环境空气6种挥发性羧酸类化合物的测定气相色谱-质谱法Ambientair—Determinationof6volatilecarboxylicacidcompounds—Gaschromatography-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2022-06-01实施生态环境部发布HJ1220—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样品................................................................................................................................................................37分析步骤........................................................................................................................................................48结果计算与表示.............................................................................................................................................69准确度............................................................................................................................................................710质量保证和质量控制.........................................................
