中华人民共和国国家环境保护标准HJ743-2015土壤和沉积物多氯联苯的测定气相色谱-质谱法Soilandsediment—Determinationofpolychlorinatedbiphenyls（PCBs）—Gaschromatographymassspectrometry本电子版为发布稿。请以中国环境科学出版社出版的正式标准文本为准。2015-05-04发布2015-07-01实施（发布稿）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.........................................................................................................................................15试剂和材料.....................................................................................................................................16仪器和设备.....................................................................................................................................37样品.................................................................................................................................................38分析步骤.........................................................................................................................................69结果计算与表示.............................................................................................................................710精密度和准确度...........................................................................................................................911质量保证和质量控制...............................................................................
