中华人民共和国国家环境保护标准HJ895-2017水质甲醇和丙酮的测定顶空/气相色谱法Water quality—Determination of methanol and acetone—Headspace gas 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2017-12-21发布2018-02-01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................................................................................................................................................28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..................................................................................................................612废物处理..................................................................................