Abstract
The formation and thermal conversion of paramagnetic centers in γ-irradiated single crystals of potassium nitrate with an ammonium nitrate impurity was studied by EPR spectroscopy. It was found that the presence of ammonium nitrate decreased the radiation-chemical yield of nitrite ions, which are one of the final radiolysis products of nitrate-containing compounds. An analysis of the results of a study on NO2 orientation in the KNO3 crystal lattice with an impurity of NH+ 4 allowed us to propose a mechanism for selective N–O bond rupture in the radiation-stimulated dissociation of the nitrate ion in a potassium nitrate matrix.
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Bannov, S.I., Kriger, L.D. & Miklin, M.B. Effect of Ammonium Ions on the Radiation Degradation of Potassium Nitrate. High Energy Chemistry 38, 93–96 (2004). https://doi.org/10.1023/B:HIEC.0000020554.08669.0a
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DOI: https://doi.org/10.1023/B:HIEC.0000020554.08669.0a