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聚氨酯泡沫塑料中CFC-11总含量测定研究

Yinchun Xu,Yong Yang

Environmental Science and Management（2015）

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Abstract
提出一种全新的聚氨酯泡沫塑料中CFC-11总含量的测量方法.在密闭箱中将PUR硬泡破碎成粒径小于0.5 mm的细颗粒,使用GC/MS测量密闭箱中CFC-11浓度,得出破碎时释放出的CFC-11质量;将破碎的细颗粒用管式炉高温加热,使吸附于细颗粒中的CFC-11释放并用气样袋收集,使用GC/MS测量气样中CFC-11浓度,得出吸附于PUR硬泡固体中的CFC-11质量,最后将两者相加得出总含量.
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