对于质量保证/质量控制材料的排放测试程序,以具有暂时恒定的排放概况的多VOC排放参考材料
Christoph Grimmer1, Matthias Richter1, Thomas Neuhaus2
1Bundesanstalt für Materialforschung und -prüfung (BAM), Unter den Eichen 87, 12205 Berlin, Germany.
Chemosphere
|October 1, 2024
概括
为室内空气质量创建可靠的排放参考材料 (ERM) 需要用挥发性有机化合物 (VOC) 浸多孔材料. 研究人员确定了有前途的材料/VOC组合,用于稳定和可重复的VOC排放.
科学领域:
- 环境科学 环境科学
- 分析化学 分析化学
- 材料科学 材料科学 材料科学
背景情况:
- 室内空气质量 (IAQ) 监测需要可靠的排放参考材料 (ERM).
- 用挥发性有机化合物 (VOC) 浸的多孔材料为ERM开发提供了一个有前途的途径.
- 优化浸过程和材料选择对于持续的VOC排放至关重要.
研究的目的:
- 为了研究各种多孔材料与不同的VOCs的浸,用于ERM生产.
- 评估方法参数和材料特性对VOC排放的影响.
- 为了确定最佳的材料/VOC组合,以实现稳定和可重复的ERM性能.
主要方法:
- 用各种挥发性有机化合物浸热质,活性炭和金属有机框架.
- 系统地研究浸参数和材料特性.
- 开发ERM的排放稳定性,可重复性和存储稳定性的评估.
主要成果:
- 浸程序显示了变化,但确定了几个有前途的ERM候选人.
- 用n-hexadecane浸的焦化物4和活性炭1 (AC1) 在14天内表现出稳定的排放 (<10%的变化).
- 用烯浸的AC 1表现出良好的批量复制性和12个月的储存稳定性,尽管排放概况下降.
结论:
- 在IAQ应用中,使用浸多孔材料开发ERM是可行的.
- 特定的物质/VOC组合,如石4/n-hexadecane和AC1/n-hexadecane,显示出可能成为稳定的排放源.
- 在需要良好的可重复性和长期存储稳定性的应用中,AC 1/toluene 是一个可行的选择.
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