中华人民共和国国家生态环境标准HJ1269—2022土壤和沉积物甲基汞和乙基汞的测定吹扫捕集/气相色谱-冷原子荧光光谱法Soilandsediment—Determinationofmethylmercuryandethylmercury—Purgeandtrap/gaschromatography-coldvaporatomicfluorescencespectrometry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。2022-12-12发布2023-06-15实施生态环境部发布HJ1269—2022i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.......................................................................................................................................................26仪器和设备.......................................................................................................................................................37样品...................................................................................................................................................................38分析步骤...........................................................................................................................................................49结果计算与表示...............................................................................................................................................
