Quick sniff for chemical weapons

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Quick sniff for chemical weapons

机译：快速嗅探化学武器

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Phew, what an invention! A device that sniffs out tiny quantities of mustard gas and lewisite on the go could help protect workers tasked with cleaning up chemical weapons. Identifying mystery molecules often requires sophisticated equipment and slow preliminary steps to concentrate samples. Instead, the new approach uses water vapour in the air to process the sample before analysis. Air containing a potential weapon sample is drawn into the device and zapped with electricity, charging the vapour, which starts to break down chemicals in the sample. A counter stream of air whisks away any highly reactive ions created by the zap that might otherwise destroy small amounts of the broken-down weapon molecules. What's left is then identified by a mass spectrometer.

机译：ew，这是什么发明！一种能够在旅途中散发出少量芥子气和路易斯酸的设备可以帮助保护负责清理化学武器的工人。鉴定神秘分子通常需要复杂的设备和缓慢的初步步骤来浓缩样品。相反，新方法使用空气中的水蒸气在分析之前处理样品。包含潜在武器样品的空气被吸入设备中，并用电击打，给蒸气充电，这开始分解样品中的化学物质。逆流吹扫掉由轻弹产生的任何高反应性离子，这些离子否则可能会破坏少量分解的武器分子。然后，剩下的由质谱仪识别。

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《New scientist》 |2015年第3004期|15-15|共1页
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收录信息美国《科学引文索引》(SCI);美国《化学文摘》(CA);
原文格式 PDF
正文语种 eng
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6. Chemical weapon functional exercise--Cincinnati: observations and lessons learned from a typical medium-sized citys response to simulated terrorism utilizing Weapons of Mass Destruction. [O] . Denis J. FitzGerald, Matthew D. Sztajnkrycer, Todd J. Crocco 2003

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Quick sniff for chemical weapons

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