Chemometric cleanup to eliminate ionic liquid interferences and enable its application on in-situ IL-DLLME using HPLC-DAD detection
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Molecular Liquids"
DOI: 10.1016/j.molliq.2021.115627
Abstract: Abstract When ionic liquids are used as extractor solvents followed by chromatographic analyses, they might become serious interferents and even unable the analytical determinations. In this work, a chemometric approach based on an analytical curve… read more here.
Keywords: chemometric approach; cleanup eliminate; dllme; ionic liquid ... See more keywords
A new and feasible analytical method using reversed-phase dispersive liquid-liquid microextraction (RP-DLLME) for further determination of Nickel in hydrogenated vegetable fat.
Sign Up to like & getrecommendations! Published in 2020 at "Talanta"
DOI: 10.1016/j.talanta.2019.120409
Abstract: A new and simple method for Ni determination in hydrogenated vegetable fat (HVF) has been developed using a RP-DLLME sample preparation procedure for further determination by flame atomic absorption spectrometry (FAAS) and graphite furnace atomic… read more here.
Keywords: liquid; determination; method; dllme ... See more keywords
Development and Validation of a DLLME-GC-MS/MS Method for the Determination of Benzotriazole UV Stabilizer UV-327 and its Metabolites in Human Blood.
Sign Up to like & getrecommendations! Published in 2022 at "Journal of analytical toxicology"
DOI: 10.1093/jat/bkac050
Abstract: 2-(5-chloro-benzotriazol-2-yl)-4,6-di-(tert-butyl)phenol (UV-327) is used as an ultraviolet (UV) absorber in plastic materials and coatings. To investigate its metabolism and to assess human exposure, analytical methods are necessary for the determination of UV-327 and its metabolites… read more here.
Keywords: dllme; 327 metabolites; metabolites human; human blood ... See more keywords
Determination of Parabens in Breast Milk Samples by Dispersive Liquid-Liquid Microextraction (DLLME) and Ultra-High-Performance Liquid Chromatography Tandem Mass Spectrometry
Sign Up to like & getrecommendations! Published in 2018 at "Journal of the Brazilian Chemical Society"
DOI: 10.21577/0103-5053.20180151
Abstract: A reliable method was developed and validated based on dispersive liquid-liquid microextraction (DLLME) and ultra-high-performance liquid chromatography coupled to tandem mass spectrometry (UHPLC-MS/MS) to determine simultaneously methylparaben (MePB), ethylparaben (EtPB), propylparaben (PrPB), and butylparaben (BuPB)… read more here.
Keywords: liquid; dispersive liquid; dllme; milk samples ... See more keywords