The chemistry of TNT on clean and hydroxyl-precovered Ottawa sand particles

Sorelys Nieto; Lewis Mortimer Gomez; Alberto Santana; Julio G. Briano; Nairmen Mina; Samuel P. Hernandez-Rivera; Miguel E. Castro

doi:10.1117/12.542826

21 September 2004 The chemistry of TNT on clean and hydroxyl-precovered Ottawa sand particles

Sorelys Nieto, Lewis Mortimer Gomez, Alberto Santana, Julio G. Briano, Nairmen Mina, Samuel P. Hernandez-Rivera, Miguel E. Castro

Author Affiliations +

Proceedings Volume 5415, Detection and Remediation Technologies for Mines and Minelike Targets IX; (2004) https://doi.org/10.1117/12.542826
Event: Defense and Security, 2004, Orlando, Florida, United States

Abstract

We report on scanning electron microscopy and energy disperse X ray fluorescence measurements of TNT deposits on dry, wet and basic Ottawa sand particles. On clean Ottawa sand particles, TNT deposits form elongated crystals that change the morphology with time. The surfaces of the crystals acquire roughness features in one month old deposits and are no longer observed in two month deposits. On wet surfaces, fresh TNT deposits form assembles that resemble wire meshes. One month old TNT deposits on wet Ottawa sand appear to cover the particles surfaces and are no longer observed in structures that resemble the crystals observed on dry deposits. Fresh TNT deposits on Ottawa sand pre treated with sodium hydroxide appear amorphous. The deposits appear to cover the particle surfaces after a month and break into thin fibers in two month old deposits.

Citation Download Citation

Sorelys Nieto, Lewis Mortimer Gomez, Alberto Santana, Julio G. Briano, Nairmen Mina, Samuel P. Hernandez-Rivera, and Miguel E. Castro "The chemistry of TNT on clean and hydroxyl-precovered Ottawa sand particles", Proc. SPIE 5415, Detection and Remediation Technologies for Mines and Minelike Targets IX, (21 September 2004); https://doi.org/10.1117/12.542826

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