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Water quality — Determination of alkylmercury — Purge andTrap / gas chromatography cold vapor atomic fluorescence spectrometry（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实施发布生态环境部目次前言.................................................................................................................................................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.................................................................................................................812废物处理.......................................