中华人民共和国国家环境保护标准HJ834-2017土壤和沉积物半挥发性有机物的测定气相色谱-质谱法Soilandsediment-Determinationofsemivolatileorganiccompounds-Gaschromatography/Massspectrometry（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2017-07-18发布2017-09-01实施环境保护部发布目次前言.................................................................................................................................................ii123456789适用范围.....................................................................................................................................1规范性引用文件.........................................................................................................................1方法原理.....................................................................................................................................1试剂和材料.................................................................................................................................1仪器和设备.................................................................................................................................3样品.............................................................................................................................................3分析步骤.....................................................................................................................................5结果计算与表示.........................................................................................................................8精密度和准确度.........................................................................................................................910质量保证和质量控制...............................................................................................................1011废弃物的处理...........................................................................................................................1012注意事项.....................................................................................