hj 904-2017 环境空气 多氯联苯混合物的测定 气相色谱法

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1、中华人民共和国国家环境保护标准HJ904-2017环境空气多氯联苯混合物的测定气相色谱法Ambientair—Determinationofpolychlorinatedbiphenylmixtures—Gaschromatography2017-12-14发布2018-03-01实施环境保护部发布目次前言···············································································································i1适用范围···························

2、···········································································12规范性引用文件·····························································································13方法原理······································································································14干扰和消除······

3、·····························································································15试剂和材料···································································································16仪器和设备····························································································

4、·······37样品·············································································································48分析步骤······································································································69结果计算与表示·····························································

5、································610精密度和准确度····························································································711质量保证和质量控制······················································································812废物的处理··························································

6、········································8附录A（规范性附录）方法的检出限和测定下限···················································10附录B（资料性附录）化合物一览表··································································11附录C（资料性附录）多氯联苯工业品的特征峰及标准谱图····································12附录D（资料性附录）方法的精密度和准确度···············

7、·······································16前言为贯彻《中华人民共和国环境保护法》和《中华人民共和国大气污染防治法》，保护环境，保障人体健康，规范环境空气中多氯联苯工业混合物的测定方法，制定本标准。本标准规定了测定环境空气中多氯联苯工业混合物的气相色谱法。本标准的附录A为规范性附录，附录B～附录D为资料性附录。本标准为首次发布。本标准由环境保护部环境监测司和科技标准司组织制订。本标准