Quantification of cocaine and its adulterants by nuclear magnetic resonance spectroscopy without deuterated solvents (No-D qNMR)

In this study, a new method was developed to quantify cocaine and some adulterants (lidocaine, caffeine, phenacetin, procaine and benzocaine) using nuclear magnetic resonance spectroscopy without the use of deuterated solvents (No-D qNMR). No-D qNMR presents as main advantages: low cost (in comparis...

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