中华人民共和国国家环境保护标准HJ977-2018水质烷基汞的测定吹扫捕集/气相色谱-冷原子荧光光谱法Waterquality—Determinationofalkylmercury—PurgeandTrap/gaschromatographycoldvaporatomicfluorescencespectrometry(发布稿)本电子版为发布稿。请以中国环境出版社出版的正式标准文本为准。2018-11-13发布2019-03-01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...............................................................................................................................................48分析步骤.......................................................................................................................................59结果计算与表示...........................................................................................................................610精密度和准确度.........................................................................................................................711质量保证和质量控制.................................................................................