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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