Liquid chromatographic separation of 2,4,6-trinitrotoluene and its principal reduction products |
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Authors: | Marianne E Walsh Thomas F Jenkins |
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Institution: | U.S. Army Cold Regions Research and Engineering Laboratory, Hanover, NH 03755-1290 U.S.A. |
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Abstract: | A liquid chromatographic method is described for the baseline separation of 2,4,6-trinitrotoluene (TNT) and its main reduction products. Two analytical columns (LC-18 and LC-CN) are connected in series and eluted isocratically at 1.5 ml min?1 with water-methanol-tetrahydrofuran (60.5 + 25 + 14.5). The capacity factors (k′) are 1.4, 1.6, 5.1, 6.4 and 7.0 for 2,6-diamino-4-nitroluene, 2,4-diamino-6-nitrotoluene, TNT, 4-amino-2,6-dinitrotoluene and 2-amino-4,6-dinitrotoluene, respectively. |
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