Abstract
Recent investigations using a krypton-85 quinol clathrate as a source of radioactivity have shown that some gaseous inorganic oxidants eluted from gas chromatographic columns react with the clathrate, releasing krypton atoms, which subsequently can be detected by a Geiger ratemeter. Comparison of the chromatogram and the ratemeter trace identifies the oxidants in a gas mixture. In addition to fluorine, which could be detected quantitatively at a 1 to 20 ppm concentration level in air, qualitative results of exploratory studies showed the following gases to possess high reactivity with the Kr/sup 85/ clathrate: Br/sub 2/, NO/sub 2/, OF/sub 2/, Cl/sub 2/, NO/sub 2/F, and NO/sub 2/Cl. (auth)
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