Analysis of alkyl esters of p-hydroxybenzoic acid (parabens) in baby teethers via gas chromatography-quadrupole mass spectrometry (GC-qMS) using a stable isotope dilution assay (SIDA)

Abstract

The present work describes an analytical method for the analysis of methyl-, ethyl- and<italic>n</italic>-propylparaben in plastic and gel material from baby teethers filled with cooling gel.