Tannery wastewater containing chromium (Cr) is one of the most serious problems in leather
industry. In order to develop an effective and eco-friendly treatment technology, a combined …

This work deals with the development and optimization of the sample pretreatment and
consequent electrophoretic analysis of two modern plating baths containing chromium (III) …

Lab tests generate a large amount of waste, including Ag, Hg and Cr, which are the heavy
metals from the determination of the Chemical Oxygen Demand (COD). The liquid waste …

Las pruebas de laboratorio generan una gran cantidad de residuos, entre los que destacan
Ag, Hg y Cr, que son los metales pesados provenientes de la determinación de la Demanda …