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Content and the relationship between cadmium, nickel, and lead concentrations in Ecuadorian cocoa beans from nine provinces
ArticleAbstract: Heavy metals such as cadmium (Cd) are a global concern; recent researches have concluded that they aPalabras claves:Atomic absorption spectrophotometry, Cocoa beans, Food analysis, Food composition, Metal content, Multivariate Regression, Pearson correlation coefficient, Theobroma cacao L.Autores:David Romero-Estévez, Gabriela S. Yánez-Jácome, Hugo Navarrete, Karina Simbaña-FarinangoFuentes:googlescopusAlkaline extraction for lead determination in different types of commercial paints
ArticleAbstract: In 2017, the World Health Organization and the United Nations Environment Programme formed the GlobaPalabras claves:Alkaline extraction, Flame atomic absorption, regulation, Solvent-base, Water-baseAutores:David Romero-Estévez, Gabriela S. Yánez-Jácome, Hugo Navarrete, Karina Simbaña-Farinango, Pamela Y. Vélez-TerrerosFuentes:googlescopusEvaluation of two sample preparation methods for the determination of cadmium, nickel and lead in natural foods by graphite furnace atomic absorption spectrophotometry
ArticleAbstract: Environmental pollution allows heavy metals to interact with ecosystems, bioaccumulating and passingPalabras claves:AOAC, CESAQ-PUCE, Graphite furnace, Heavy metal concentrations, Microwave-assisted acid digestion, Natural food: validationAutores:David Romero-Estévez, Gabriela S. Yánez-Jácome, Hugo Navarrete, Karina Simbaña-Farinango, Pamela Y. Vélez-TerrerosFuentes:googlescopusDistribution, contents, and health risk assessment of cadmium, lead, and nickel in bananas produced in Ecuador
ArticleAbstract: In this study, cadmium (Cd), nickel (Ni), and lead (Pb) contents were analyzed in sixteen banana comPalabras claves:Atomic absorption spectrophotometry, Exportation product, Food contamination, Graphite furnace, Health risk, Heavy Metals, Musa sp.Autores:David Romero-Estévez, Gabriela S. Yánez-Jácome, Hugo Navarrete, Karina Simbaña-FarinangoFuentes:googlescopusOptimization of a digestion method to determine total mercury in fish tissue by cold vapor atomic fluorescence spectrophotometry
ArticleAbstract: Several microwave-assisted digestion methods were tested at the Centro de Estudios Aplicados en QuímPalabras claves:Fish muscle, High-pressure vessels, Microwave-assisted acid digestion, Tilapia (Oreochromis niloticus)Autores:David Romero-Estévez, Gabriela S. Yánez-Jácome, Hugo Navarrete, Karina Simbaña-Farinango, Pamela Y. Vélez-TerrerosFuentes:googlescopus