4.6 Article

A Simple and Inexpensive Electrochemical Assay for the Identification of Nitrogen Containing Explosives in the Field

期刊

SENSORS
卷 17, 期 8, 页码 -

出版社

MDPI AG
DOI: 10.3390/s17081769

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electroanalytical chemistry; explosives detection; field assay

资金

  1. US Naval Research Laboratory
  2. Office of Naval Research
  3. NRL 6.2 Program

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We report a simple and inexpensive electrochemical assay using a custom built hand-held potentiostat for the identification of explosives. The assay is based on a wipe test and is specifically designed for use in the field. The prototype instrument designed to run the assay is capable of performing time-resolved electrochemical measurements including cyclic square wave voltammetry using an embedded microcontroller with parts costing roughly $250 USD. We generated an example library of cyclic square wave voltammograms of 12 compounds including 10 nitroaromatics, a nitramine (RDX), and a nitrate ester (nitroglycine), and designed a simple discrimination algorithm based on this library data for identification.

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