Abstract
Residual chemicals on personal care and healthcare products, such as sanitary articles, sterile gauze bandages, nappies, plasters, were studied by direct analysis in real time mass spectrometry (DART-MS). We have identified around 40 compounds in seventeen different commercially available items. The tentative identification was further supported for about half of the chemicals by tandem mass spectrometric experiments (DART MS/MS). The most notable hazardous substances were tributyl phosphate, tris(2,4-di-tert-butylphenyl) phosphite, phthalic acid esters, erucamide, and nonylphenol ethoxylates (NPEs). In addition, we developed an efficient DART-MS analysis to determine the concentration of NPE in a swab sample. The quantitative result obtained by DART-MS was confirmed by liquid chromatography with mass spectrometric detection (LC-MS).
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