Marı́a del Rosario Brunetto

Determination of theobromine, theophylline and caffeine in cocoa samples by a high-performance liquid chromatographic method with on-line sample cleanup in a switching-column system

Marı́a del Rosario Brunetto, Lubin Gutiérrez, Yelitza Delgado et al. · Food Chemistry · 2005 · 182 citations

Food Chemistry, Gas Chromatography, Cocoa Samples +9

Determination of losartan, telmisartan, and valsartan by direct injection of human urine into a column-switching liquid chromatographic system with fluorescence detection

Marı́a del Rosario Brunetto, Y. Contreras, Sabrina Clavijo et al. · Journal of Pharmaceutical and Biomedical Analysis · 2009 · 73 citations

Human Urine, Fluorescence Detection, Gas Chromatography +12

Synthetic zeolites as sorbent material for on-line preconcentration of copper traces and its determination using flame atomic absorption spectrometry

Yaneira Petit de Peña, Wilmer López, J.L. Burguera et al. · Analytica Chimica Acta · 2000 · 70 citations

Chemical Engineering, Environmental Chemistry, Copper Traces +9

A time-based flow injection–cold vapor–atomic absorption spectrometry system with on-line microwave sample pre-treatment for the determination of inorganic and total mercury in urine1Presented at the Flow Analysis VII Conference held in Piracicaba, Brazil from 23–26 August 1997.1

Máximo Gallignani, H Bahsas, Marı́a del Rosario Brunetto et al. · Analytica Chimica Acta · 1998 · 58 citations

Environmental Chemistry, Engineering, Sample Preparation +10

On-line emulsification of lubricating oils in a flow-injection system for chromium determination by electrothermal atomic absorption spectrometry

J.L. Burguera, Raquel Anton de Salager, M. Burguera et al. · Journal of Analytical Atomic Spectrometry · 2000 · 41 citations

Flow-injection System, Sodium Chloride, Solvent Extraction +17