Browsing by Author "e577e1d9-1f06-4d53-b122-a8550db5c150"
Now showing items 1-12 of 12
-
Báez, María E.; Espinoza, Jeannette; Fuentes, Edwar (Springer Verlag, 2018)© 2018, Springer-Verlag GmbH Germany, part of Springer Nature. The intensive use of insecticides such as chlorpyrifos (CPF) and diazinon (DZN) in the agricultural activities worldwide has produced contamination of soils ...
-
Báez, María E.; Fuentes, Edwar; Espina, María José; Espinoza, Jeannette (Wiley-VCH Verlag, 2014)© 2014 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.The assessment of the environmental fate of glyphosate and its degradation product (aminomethylphosphonic acid) is of great interest given the widespread use of the herbicide. ...
-
Fuentes, Edwar; Cid, Camila; Báez, María E. (Elsevier, 2015)© 2014 Elsevier B.V. All rights reserved. This paper presents a new method for the determination of imidacloprid in water samples; one of the most widely used neonicotinoid pesticides in the farming industry. The method ...
-
Fuentes, Edwar; Báez, María E.; Bravo, Manuel; Cid, Camila; Labra, Fabián (2012)The viability of determining the total phenolic content in olive oil samples by chemometric analysis of UV-vis spectral data was studied. As a result, a novel spectrophotometric method that does not require prior analyte ...
-
Balsebre, Arantza; Báez, María; Martínez, Jessica; Fuentes, Edwar (Elsevier B.V., 2018)A method based on matrix solid-phase dispersion (MSPD) associated to gas chromatography-flame photometric detection (GC-FPD), GC-electron capture detection (GC-ECD) and GC-mass spectrometry (GC-MS) for confirmation purposes, ...
-
Cáceres, Lizethly; Fuentes, Roxana; Escudey, Mauricio; Fuentes, Edwar; Báez, María E. (2010)Metsulfuron-methyl sorption/desorption behavior was studied through batch sorption experiments in three typical volcanic ash-derived soils belonging to Andisol and Ultisol orders. Their distinctive physical and chemical ...
-
Fuentes, Edwar; Báez, María E.; Díaz, Juan (2009)An effective extraction method was devised for the determination of organophosphorus pesticides (OPPs) in olive and avocado oil samples, using atmospheric pressure microwave-assisted liquid-liquid extraction (APMAE) and ...
-
Cáceres, Lizethly; Escudey, Mauricio; Fuentes, Edwar; Báez, María E. (2010)Metsulfuron-methyl sorption kinetic was studied in Andisol and Ultisol soils in view of their distinctive physical and chemical properties: acidic pH and variable surface charge. Different kinetic models were applied to ...
-
Jeria, Yanara; Bazaes, Aliosha; Báez, María E.; Espinoza, Jeannette; Martínez, Jessica I.; Fuentes, Edwar (Elsevier B.V., 2017)© 2016 Elsevier B.V.This paper presents a method for the determination of imidacloprid in honeybees based on the measurement of excitation-emission spectra of photo-induced fluorescence (PIF-EEMs) associated to unfolded ...
-
Alarcón, Francis; Báez, María E.; Bravo, Manuel; Richter Duk, Pablo; Fuentes, Edwar (2012)The potential of microwave-assisted liquid-liquid and solid phase extraction coupled with fluorescence spectroscopy and employing one- to three-way spectral data was assessed in terms of their capacity for the rapid detection ...
-
Espinoza, Jeannette; Fuentes, Edwar; Báez, María E. (2009)Bensulfuron-methyl sorption was studied in Andisol and Ultisol soils in view of their characteristic physical and chemical properties, presenting acidic pH and variable charge. Humic and fulvic acids (HA and FA) and humin ...
-
Fuentes, Edwar; Báez, María E.; Díaz, Juan (2010)Dimethoate, diazinon, parathion methyl, pirimiphos methyl, malathion, fenthion, chlorpyriphos, methidathion and azinphos methyl were determined in 71 olive oil samples produced in Chile from different varieties of olives ...