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INDOOR AIR了解室內空氣

  1. TVOC
  2. 簡介
  3. TVOC 總揮發性有機化合物(TVOC), 主要來源于涂料、粘合劑等。


  4. 危害
  5. TVOC能引起頭暈、頭痛、嗜睡、無力、胸悶等癥狀。
    TVOC是指某空間內所有的有機氣態物質。它的全稱是TotalVolatileOrganicCompound,
    是室內揮發有機物的統稱。TVOC也是影響室內空氣品質中三種污染中影響較為嚴重的一種。




  6. 來源
  7. TVOC來源分為室內室外兩種情況,室外的來源主要是由燃料燃燒和交通運輸產生的;
    室內的來源主要是天然氣、采暖、烹調等產生的煙霧,此外,家具、家電甚至人體都會排放出VOC。
    在室內裝飾裝修中,VOC來自涂料和油漆等材料。

    TVOC是指室溫下飽和蒸氣壓超過了133.32pa的有機物,其沸點一般在50℃至250℃,
    在常溫下可以揮發在空氣中,可有嗅味,有刺激性,而且有些化合物具有基因毒性,致癌性。
    目前認為,TVOC能引起機體免疫水平失調,影響中樞神經系統功能和消化系統功能。
    輕者出現皮膚過敏、咽喉疼、頭痛、頭暈、嗜睡、胸悶、乏力、食欲不振、惡心等自覺癥狀。
    重者可引起支氣管炎、過敏性哮喘、肺炎,肺水腫。
    嚴重時可損傷肝臟和造血系統功能,出現變態反應等。


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