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首页> 外文期刊>Subsurface Sensing Technologies and Applications >Preparation of TNT, RDX and Ammonium Nitrate Standards on Gold-on-Silicon Surfaces by Thermal Inkjet Technology
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Preparation of TNT, RDX and Ammonium Nitrate Standards on Gold-on-Silicon Surfaces by Thermal Inkjet Technology

机译:通过热喷墨技术在硅金表面上制备TNT,RDX和硝酸铵标准品

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摘要

This research examines the surface contamination properties, trace sample preparation methodologies, detection systems response and generation of explosive contamination standards for trace detection systems. Homogeneous and reproducible sample preparation is relevant for trace detection of chemical threats, such as warfare agents, highly energetic materials (HEM) and toxic industrial chemicals. The objective of this research was to develop a technology capable of producing samples and standards of HEM with controlled size and distribution on a substrate to generate specimens that would reproduce real contamination conditions. The research activities included (1) a study of the properties of particles generated by two deposition techniques: sample smearing deposition and inkjet deposition, on gold-coated silicon, glass and stainless steel substrates; (2) characterization of composition, distribution and adhesion characteristics of deposits; (3) evaluation of accuracy and reproducibility for depositing neat highly energetic materials such as TNT, RDX and ammonium nitrate; (4) a study of HEM-surface interactions using FTIR-RAIRS; and (5) establishment of protocols for validation of surface concentration using destructive methods such as HPLC.
机译:这项研究检查了表面污染特性,痕量样品制备方法,检测系统响应以及痕量检测系统爆炸物污染标准的产生。均质且可重复的样品制备与痕量化学威胁的检测有关,例如战剂,高能材料(HEM)和有毒工业化学品。这项研究的目的是开发一种技术,该技术能够生产HEM的样品和标准品,并在基板上控制其大小和分布,以生成能够再现实际污染条件的样品。研究活动包括(1)研究由两种沉积技术产生的颗粒的特性:在涂金的硅,玻璃和不锈钢基板上进行样品涂片沉积和喷墨沉积; (2)表征沉积物的组成,分布和粘附特性; (3)评估沉积高能材料(如TNT,RDX和硝酸铵)的准确性和可重复性; (4)使用FTIR-RAIRS研究HEM与表面的相互作用; (5)建立使用破坏性方法(例如HPLC)验证表面浓度的方案。

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