中华人民共和国国家环境保护标准HJ922-2017土壤和沉积物多氯联苯的测定气相色谱法Soilandsediment—Determinationofpolychlorinatedbiphenyls—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。2017-12-28发布2018-04-01实施环境保护部发布i目次前言.................................................................................................................................................ii1适用范围.......................................................................................................................................12规范性引用文件...........................................................................................................................13术语和定义...................................................................................................................................14方法原理.......................................................................................................................................25干扰和消除...................................................................................................................................26试剂和材料...................................................................................................................................27仪器和设备...................................................................................................................................38样品...............................................................................................................................................39分析步骤.......................................................................................................................................510结果计算与表示………………………………………………………………………………611精密度和准确度.........................................................................................................................812质量保证和质量控制...................................................