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Table 2 Recovery and repeatability data for analysis of methylparaben (MeP), ethylparaben (EtP), and n-propylparaben (n-PrP) from spiked water and saliva simulant

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

Compound Spiking concentration (µg 100 mL−1) Recovery (mean ± SD, %) Repeatability (RSD, %)
Water
 MeP 76 93 ± 3.9 4.2
 EtP 75 98 ± 3.1 3.2
 n-PrP 75 97 ± 2.4 2.4
Saliva simulant
 MeP 76 99 ± 1.0 1.0
 EtP 75 94 ± 0.5 0.5
 n-PrP 75 95 ± 1.0 1.1
  1. Repeatability expressed as relative standard deviation (RSD). Calculated from five independently spiked solutions each