中华人民共和国国家环境保护标准HJ911-2017土壤和沉积物有机物的提取超声波萃取法Soil and sediment—Extraction of organic compounds—Ultrasonic extraction（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2017-12-29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试剂和材料.....................................................................................................................................15仪器和设备.....................................................................................................................................26样品.................................................................................................................................................27提取步骤.........................................................................................................................................28质量保证和质量控制.....................................................................................................................39废物处理.........................................................................................................................................310注意事项.......................................................................................................................................3附录 A（资料性附录）可用超声波萃取法提取的有机物参考名单........................................4附录 B（资料性附录）不同提取剂的提取效率.........................................................................7i前言为贯彻《中华人民共和国环境保护法》保护环境保障人体健