29 May 2013 Ppb detection of Sarin surrogate in liquid solutions
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Sarin, a well-known chemical warfare agent, is toxic for concentrations as low as 0.03 ppm in the air (Immediately Dangerous to Life or Health value). A technology providing “on the field” detection could be fluorescence spectroscopy. This presentation shows a sensitive method for the detection of Diethyl Chlorophosphate (DCP), a Sarin surrogate, which provides in a few seconds a turn-off fluorescence response of the sensor for ppb levels of DCP. For instance, a I/I0 = 0.68 (fluorescence quenching) was obtained when the sensor was exposed to 16 ppb of DCP.
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Matthieu Hamel, Matthieu Hamel, Jennifer Hamoniaux, Jennifer Hamoniaux, Licinio Rocha, Licinio Rocha, Stéphane Normand, Stéphane Normand, } "Ppb detection of Sarin surrogate in liquid solutions", Proc. SPIE 8710, Chemical, Biological, Radiological, Nuclear, and Explosives (CBRNE) Sensing XIV, 87100H (29 May 2013); doi: 10.1117/12.2011332; https://doi.org/10.1117/12.2011332

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