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
97 ± 2.4
2.4
Saliva simulant
99 ± 1.0
1.0
94 ± 0.5
0.5
95 ± 1.0
1.1