Figure 2From: Screening for ecotoxicological effects of antiepileptic drugs in biologically treated waste water originating from an epilepsy ward by Danio rerio embryosAnalyte concentrations in the biologically treated waste water. Data obtained by four different SPE procedures (each with single determination). HLB and PEP were used as solid phase extraction cartridges; formic acid (FA) was used for acidification.Back to article page