Articles with "unknown substances" as a keyword



A framework to estimate concentrations of potentially unknown substances by semi-quantification in liquid chromatography electrospray ionization mass spectrometry.

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Published in 2017 at "Analytica chimica acta"

DOI: 10.1016/j.aca.2017.03.054

Abstract: Risk assessment of exposure to chemicals from food and other sources rely on quantitative information of the occurrence of these chemicals. As screening analysis is increasingly used, a strategy to semi-quantify unknown or untargeted analytes… read more here.

Keywords: semi quantification; unknown substances; electrospray; quantification ... See more keywords

Identification of Unknown Substances in Ambient Air (PM10), Profiles and Differences between Rural, Urban and Industrial Areas

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Published in 2022 at "Toxics"

DOI: 10.3390/toxics10050220

Abstract: A fast and automated strategy has been developed for identifying unknown substances in the atmosphere (concretely, in the particulate matter, PM10) using LC-HRMS (MS3). A total of 15 samples were collected in three different areas… read more here.

Keywords: substances ambient; unknown substances; rural urban; urban industrial ... See more keywords