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http://www.cnecn.com.cn/d/file/p/2024/04-23/115c31ce7a43a09e1157467c3515f461.jpg|http://www.cnecn.co

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http://www.hwenz.com/pic/稀意告bai

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http://upload.mnw.cn/2024/0524/1716519199712.jpg

随着我国对环境空气污染物监测要求的不断提高，多氯联苯PCBs）作为持久性有机污染物POPs）的重要成员，其准确测定对环境保护和公共健康至关重要。为满足HJ 902-2017《环境空气 多氯联苯的测定

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