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A novel analytical method has been developed for the quantitation of trace levels of ammonia in the headspace of ammonium nitrate (AN) using derivatized solid phase microextraction (SPME) fibers with gas chromatography mass spectrometry (GC–MS). Ammonia is difficult to detect via direct injection into a GC–MS because of its low molecular weight and extreme polarity. To circumvent this issue, ammonia...
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