Redxdefense, Llc.

Dale R Miller

Sarah Josepha Toal

Russell P Watson

A method of simultaneously detecting peroxide and nitrogen-based explosives includes the steps of applying a conversion reagent to a sample, the conversion reagent oxidizing in the presence of peroxide and inorganic nitrate explosives; applying a test reagent including a luminescent compound to the sample; exciting the luminescent compound with ultraviolet light; and simultaneously determining the presence of one or more explosives based on quenching, brightening or a shift in wavelength of the luminescence over time. Explosives may also be detected based on color changes of the sample. Optionally, phase transfer reagents, catalysts, colorimetric agents and zinc dust may be added to improve detection of explosives. Alternatively, an assay-type method may be utilized wherein a sample is added to the conversion and/or test reagents and the reagent is spotted on a substrate before exposure to ultraviolet light.

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Derwood, MD, United States of America

Dale R Miller