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Sparklers as a nanohazard: size distribution measurements of the nanoparticles released from sparklers

机译：烟火作为纳米危害：烟火释放出的纳米粒子的尺寸分布测量

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摘要

Sparklers, sometimes called Bengal lights, are widely used for the celebration of a variety of events due to their esthetic and entertaining effects. They are especially popular with children. While their associated safety measures deal with rules regarding possible burns to the skin or eyes, the strong emission of nanoparticles during the combustion of sparklers is usually both ignored and unregulated. Here, we report on the high concentrations of nanoparticles released during the indoor combustion of sparklers. Large proportions of the metals making up the sparking material are released into the atmosphere. Information based on chemical analyses of pristine and burned sparklers is compared to the relevant data relating to the released nanoparticles. Their small size and the presence of barium suggest that the use of sparklers as a children’s entertainment should be reconsidered.
机译：由于其美观和娱乐性，烟火有时被称为孟加拉灯，被广泛用于庆祝各种事件。它们在儿童中特别受欢迎。尽管它们相关的安全措施处理了有关可能灼伤皮肤或眼睛的规则，但在烟火燃烧过程中纳米颗粒的强辐射通常被忽略且不受监管。在这里，我们报告了烟火在室内燃烧过程中释放的高浓度纳米颗粒。构成火花材料的大部分金属被释放到大气中。将基于原始和燃烧的烟火的化学分析信息与与释放的纳米粒子有关的相关数据进行比较。它们的体积小和钡的存在表明应该重新考虑将烟火作为儿童娱乐活动。

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