Abstract
Our study is the first attempt to study the interaction between NaN3 and hydrated fullerenes C60 by means of a non-chemical reaction-based approach. The aim is to study deviations of signals obtained by 14N NMR spectroscopy to detect the binding interaction between sodium azide and hydrated fullerene. We considered 14N NMR spectroscopy as one of the most suitable methods for the characterization of azides to show resonance signals corresponding to the three non-equivalent nitrogen atoms. The results demonstrate that there are changes in the chemical shift positions and line-broadening, which are related to the different molar ratios of NaN3:C60 in the samples.
Highlights
The presence of pharmaceutical active compounds (PhACs) in surface, drinking, and wastewaters is an emerging issue in environmental science [1,2,3,4,5,6,7,8,9]
We aim to study deviations of signals obtained by 14 N NMR spectroscopy for the detection of the
We aim to study deviations of signals obtained by 14N NMR spectroscopy for the detection of binding interaction between sodium azide and hydrated fullerene
Summary
The presence of pharmaceutical active compounds (PhACs) in surface, drinking, and wastewaters is an emerging issue in environmental science [1,2,3,4,5,6,7,8,9]. Low levels of many pharmaceutical active compounds are detected in the aquatic environment as a result of pharmaco-chemical industrial waste spill-off in draining water. Sodium azide is an example of an azide for which the environmental exposure limits have been reasonably well characterized. The Organization for Economic Co-operation and Development (OCDE) [10] has included sodium azide in the list of 5235 High Production Volume Chemicals (HPV). Environmentalists and atmospheric scientists are concerned about the safety of the use of sodium azide. Despite the widespread opinion of proponents of sodium azide use in water and soil, who argue that this chemical undergoes rapid hydrolysis and degradation [11,12], their opponents [13] claim that this is not exactly what can be anticipated, since they have discovered water and soil samples containing residual amounts of sodium azide
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