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Commission for the upper Cauca River basin recovery, collaborative governance for sustainability and water security
(Frontiers, 2022-04-14)
Rivers are essential for life, there is an indissoluble relationship between the natural system and the human system. Aquatic ecosystems guarantee ecosystem services to the human system, on the other hand, the human system ...
Solid phase extraction of halogenated, organophosphorus and nitrogen-containing pesticides from river water samples. Analytical quality parameters
(1999)
A study of matrix effects arising from river water samples using C18 SPE columns in the determination of 38 pesticides having different chemical properties is presented. Recoveries from river water samples of different ...
Solid phase extraction of halogenated, organophosphorus and nitrogen-containing pesticides from river water samples, analytical quality parameters.
(Sociedad Chilena de Química, 1999)
A study of matrix effects arising from river water samples using C18 SPE columns in the determination of 38 pesticides having different chemical properties is presented. Recoveries from river water samples of different ...
Procedure for the recovery of the mined area in the deposit gravel - sand rio sagua, holguin. cuba
(Universidad Nacional de Colombia, 2014)
The gravel pits are exploitations to extract granular materials, sand and gravel in the alluvial river areas. Excavated voids are not very deep, unlike quarries and generally result in flooded areas. The company building ...
Determination of pesticides in river water using rotating disk sorptive extraction and gas chromatography-mass spectrometry
(Elsevier B.V., 2011)
The rotating disk sorptive extraction (RDSE) technique was applied to the determination of pesticides in aqueous samples. Pesticides of different polarities were considered in this study: chlorpyrifos, diazinon, fenvalarate, ...
Definition of riparian buffer zone of the Cauca river between the Balsa and Mediacanoa
(Universidad del ValleColombia, 2020-01-03)
(Eng) The objective of this investigation was to delimit the riparian buffer zone of the Cauca River in the stretch between La Balsa and Mediacanoa. For this, different methodologies has been analyzed and, additionally, ...
Ionic liquids for improving the extraction of NSAIDs in water samples using dispersive liquid-liquid microextraction by high performance liquid chromatography-diode array-fluorescence detection
(Elsevier B.V., 2015)
A rapid, sensitive and efficient analytical method based on the use of ionic liquids for determination of non-steroidal anti-inflammatory drugs (NSAIDs) in water samples was developed. High-performance liquid chromatography ...
Nonsteroidal Anti-Inflammatory Drug Determination in Water Samples by HPLC‑-DAD under Isocratic Conditions
(Sociedade Brasileira de Química, 2013)
Nonsteroidal anti-inflammatory drugs (NSAIDs) are a group of medications widely used by man to heal certain ailments. However, after consumption, they may be excreted in wastewaters with consequent environmental effects. ...
Viabilidad técnico - Ambiental de Tecnologías para la Recuperación de Mercurio Elemental en Suelos Contaminados de Minerías Artesanales en Antioquia, Colombia.
(Fondo Editorial EIA - Universidad EIA, 2021-12-31)
En el presente artículo se determina la viabilidad técnica y ambiental de tecnologías idóneas para la recuperación de mercurio elemental que garantice la remoción del contaminante vertido a suelos, en el entable la Y ubicado ...