环境舱作为一种环境条件可控的测试系统被广泛用于家具和建材挥发性有机化合物(VOCs)的散发特性测试,但目前尚缺乏用于对其测试准确性和精度进行校准或标定的标准散发样品.本文研制了一种液膜式甲苯标准散发样品(具有恒定速率的散发源),并进行了其散发性能研究.连续47天的测试结果表明,该甲苯标准散发样品散发速率等各项散发参数稳定,可用于环境舱测试系统精准度的校准.
参考文献
| [1] | Ying Xu;Yinping Zhang .An improved mass transfer based model for analyzing VOC emissions from building materials[J].Atmospheric environment,2003(18):2497-2505. |
| [2] | Wei Yan;Yinping Zhang;Xinke Wang .Simulation Of Voc Emissions From Building Materials By Using The State-space Method[J].Building and environment,2009(3):471-478. |
| [3] | Xiong J;Zhang Y .Impact of temperature on the initial emittable concentration of formaldehyde in building materials: experimental observation.[J].Indoor air,2010(6):523-529. |
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