中华人民共和国国家环境保护标准HJ914-2017水质百草枯和杀草快的测定固相萃取-高效液相色谱法Water quality—Determination of paraquat and diquat—Solid phaseextraction high performance liquid chromatography（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2017-12-28发布2018-04-01实施发布环境保护部目次前言.................................................................................................................................................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.....................................................................................................................................16仪器和设备.....................................................................................................................................27样品.................................................................................................................................................38分析步骤.........................................................................................................................................39结果计算与表示.............................................................................................................................410精密度和准确度...........................................................................................................................511质量保证和质量控制...................................................................................................................512废物处理..................................