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The occurrence of phenazone-type analgesics, such as aminopyrine, metamizole, phenazone and propyphenazone, has been reported in the effluent of wastewater treatment plants in µg/L concentrations. The presence of the main metabolites of aminopyrine and metamizole—acetamido antipyrine and formyl aminoantipyrine—has even been detected in sub µg/L concentrations in surface water and water bodies used...
Phenazone-type pharmaceuticals, such as aminopyrine, metamizole, phenazone and propyphenazone, are widely used analgesics that have been detected in wastewater treatment plant effluents in μgL−1 concentrations. Acetamido antipyrine (AAA) and formyl aminoantipyrine (FAA) – the main metabolites of aminopyrine and metamizole – have also been detected in sub μgL−1 concentrations in environmental water...
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