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Fig. 3 | BMC Chemistry

Fig. 3

From: Examination of paraben release from baby teethers through migration tests and GC–MS analysis using a stable isotope dilution assay

Fig. 3

GC–MS chromatograms (target screening) of saliva simulant migration test solutions of a calibration level 75 µg 100 mL−1 and b baby teether no. 4. Extracted ion traces of paraben quantifier ions m/z 224 for trimethylsilylated methylparaben (MeP) and m/z 193 for trimethylsilylated ethylparaben (EtP) as well as trimethylsilylated n-propylparaben (n-PrP)

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