摘要
通过WDX谱图对PVC-U型材表面黑褐色样变色区域进行分析,表明黑褐色样变色为硫化污染生成的PbS;研究分析了硫化污染的来源。
The dark-stained areas on the surface of PVC-U profiles was analyzed by WDX, which was identified chemical elements are PbS caused by sulfrous pollutants. The source of sulfrous pollutants was researched.
出处
《齐齐哈尔大学学报（自然科学版）》
2007年第4期17-19,共3页
Journal of Qiqihar University(Natural Science Edition)
关键词
硫化污染
PVC-U
型材
变色
sulfurous pollutants
PVC-U
profile
discoloration
