中华人民共和国国家环境保护标准HJ604-2017环境空气总烃、甲烷和非甲烷总烃的测定直接进样-气相色谱法Ambientair—Determinationoftotalhydrocarbons,methaneandnonmethanehydrocarbons—Directinjection/Gaschromatography（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。2017-12-14发布2018-03-01实施环境保护部发 布代替 HJ604—2011i目次前言..................................................................................................................................................i1适用范围.........................................................................................................................................12规范性引用文件.............................................................................................................................13术语和定义.....................................................................................................................................14方法原理.........................................................................................................................................15试剂和材料.....................................................................................................................................26仪器和设备.....................................................................................................................................27样品.................................................................................................................................................28分析步骤.........................................................................................................................................39结果计算与表示.............................................................................................................................510精密度和准确度...........................................................................................................................511质量保证和质量控制.....................................
