Studies of RDX interactions in soil

Techniques for rapid and sensitive detection of energetics such as cyclotrimethylenetrinitramine (RDX) are needed both for environmental and security screening applications. Here we report the use of surface-enhanced Raman scattering (SERS) spectroscopy to detect traces of RDX with good sensitivity and reproducibility. Using gold (Au) nanoparticles (∼90-100 nm in diameter) as SERS substrates, RDX was detectable at concentrations as low as 0.15 mg/l in a contaminated groundwater sample. This detection limit is about two orders of magnitude lower than those reported previously using SERS techniques. A surface enhancement factor of ∼6 × 10 4 was obtained. This research further demonstrates the potential for using SERS as a rapid, in situ field screening tool for energetics detection when coupled with a portable Raman spectrometer.

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Detection and analysis of cyclotrimethylenetrinitramine (RDX) in environmental samples by surface‐enhanced Raman spectroscopy

Hatab

Eres

Hatzinger³

et al. 2010

J Raman Spectroscopy

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Detection of explosives by surface enhanced Raman scattering using substrate with a monolayer of ordered Au nanoparticles

Chen

Wang

et al. 2014

Applied Surface Science

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Studies of RDX interactions in soil

Cited by 2 publications

References 2 publications

Detection and analysis of cyclotrimethylenetrinitramine (RDX) in environmental samples by surface‐enhanced Raman spectroscopy

Detection and analysis of cyclotrimethylenetrinitramine (RDX) in environmental samples by surface‐enhanced Raman spectroscopy

Detection of explosives by surface enhanced Raman scattering using substrate with a monolayer of ordered Au nanoparticles

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