Modified dispersive solid-phase extraction and cleanup followed by GC-MS/MS analysis to quantify ultraviolet filters and synthetic musk compounds in soil samples

Published on Jun 3, 2021in Journal of Separation Science2.878
· DOI :10.1002/JSSC.202100281
Sara Ramos6
Estimated H-index: 6
(University of Porto),
Vera Homem19
Estimated H-index: 19
(University of Porto),
Lúcia Santos47
Estimated H-index: 47
(University of Porto)
A simple method for the analysis of thirteen synthetic musk compounds and six ultraviolet filters in soil samples was developed using a modified dispersive solid-phase methodology known as "Quick, Easy, Cheap, Effective, Rugged and Safe", followed by gas chromatography - triple quadrupole mass spectrometry (GC-MS/MS). The methodology was validated assessing linearity ranges, detection limits, precision, and accuracy. The method detection limit ranged between 0.01 and 10.00 ng g-1 dry weight and accuracy from 81% to 122%. A good precision was achieved, with relative standard deviation less than 10%. The applicability of the methodology was tested using different types of soils. Both synthetic musks and ultraviolet filters were detected in all soil samples. The most frequently detected compounds were benzophenone, octocrylene, 2-ethylhexyl 4-dimethylaminobenzoate, 2-ethylhexyl 4-methoxycinnamate and galaxolide. Higher levels were detected for benzophenone (maximum value of 158 ng g-1 dry weight) and octocrylene (137 ng g-1 dry weight). In comparison with conventional techniques, this method uses lower amounts of solvents and sorbents, producing less waste ("greener" technique) and comparable performances. In addition, it presents as main advantages the simplicity, speed (short extraction/cleaning time), low cost, and minimum handling of extracts, which can minimize the possibility of samples cross contamination. This article is protected by copyright. All rights reserved.
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