Abstract:Previous wastewater-based epidemiology
studies on methcathinone
(MC), a controlled substance in many countries, attributed its occurrence
in wastewater to its misuse. However, such attribution did not consider
the possibility that MC may also come from the transformation of ephedrine
(EPH) and pseudo-ephedrine (PEPH). In this work, EPH/PEPH and MC in
wastewater of six major Chinese cities were systematically examined.
EPH/PEPH concentrations in all the cities showed clear seasonal variations,
with maximum and … Show more
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