中华人民共和国国家环境保护标准HJ1067-2019水质苯系物的测定顶空/气相色谱法Waterquality—Determinationofbenzeneanditsanalogies—Headspace/gaschromatography(发布稿)本电子版为发布稿。请以中国环境出版集团出版的正式标准文本为准。2019-12-24发布2020-03-24实施发布生态环境部i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分析步骤.........................................................................................................................................38结果计算与表示.............................................................................................................................49精密度和准确度.............................................................................................................................510质量保证和质量控制...................................................................................................................511废物处理...........................................................................................................................