Listar QA - Contribuciones a congresos científicos por tipo "info:eu-repo/semantics/conferenceObject"
Mostrando ítems 21-40 de 118
-
Chemistry in the laser-induced plasma
(2016-10-14)Since the first uses of LIBS, it is known that the laser induced plasma, as many other atom reservoirs, is a dynamic system that evolves rapidly to stable species after the end of the laser pulse. LIBS of metallic targets, ... -
Cold vapour generation electrothermal atomic absorption spectrometry and solid phase extraction based on a new nanosorbent for sensitive HG determination in environmental samples (sea water and river water)
(2016-07-07)Mercury is not an essential element for plant or animal life and it is a potential environmental toxic because of its tendency to form covalent bonds with organic molecules and the high stability of the Hg-C bond. Reports ... -
Como hacer interesante la Química a los alumnos/as del Grado de Ingeniería Mecánica. Uso de las TIC para favorecer el aprendizaje de los conceptos más difíciles desde el punto de vista de los estudiantes.
(2016-09-07)Los profesores de Química en la Universidad se encuentran con el problema del escaso interés que, en general, tienen los alumnos/as por esta materia, y sobre todo, los de las titulaciones de Ingeniería que se manifiesta, ... -
Compatibility and stability of hyoscine n-butyl bromide and furosemide admixtures for use in palliative care
(2015-01-27)In order to avoid separate injections, admixtures of drugs are frequently used in palliative care settings. There are different factors that can influence the compatibility and stability of the mixture: drug type, ... -
Compatibility and stability of morphine and furosemide admixture
(2014-03-13)Background: In order to avoid separate injections of different drugs, admixtures of opioids with other drugs used in palliative care are frequently used. There are different factors that can influence the compatibility and ... -
Compatibility and stability of ondansetron and midazolam mixtures used in palliative care
(2020-05-28)Background and importance Different factors can influence the compatibility and stability of the mixture: drug type, concentration, solvent, container, temperature and light. There are some mixtures of drugs with proven ... -
Considerations on the formation mechanisms of emitting species from organic and carbon-containing inorganic compounds in CO2 atmosphere using LIBS
(2019-09-19)Integration of LIBS instruments in the rover used for planetary exploration in an attempt to get multi-elemental information from rocks, minerals, and soils is a reality. Its great effectiveness has been demonstrated in ... -
Deep-UV laser-induced breakdown spectrometry and laser-ionization mass spectrometry for astrochemistry studies.
(2023)The recent ambitions of different national space agencies to return to the Moon and to potentially set up a permanent moon base soon, have triggered the interest to adapt different analysis techniques to the conditions of ... -
Desarrollo de instrumentación basada en LIBS y su aplicaión en la industria del acero
(2016-07-11)Resumen: Los avances en la industria del acero y la aparición de nuevos materiales con mejores propiedades físico-químicas y mejor comportamiento frente a fenómenos de corrosión, está promoviendo tanto el desarrollo de ... -
Desarrollo de un método de determinación multielemental para muestras medioambientales por espectrometría de absorción atómica
(2022)La contaminación ambiental es una gran preocupación para el ser humano, siendo los metales de transición y sus derivados los contaminantes más destacables del planeta, por ello es importante su control. La concentración ... -
Detección de compuestos orgánicos mediante LIBS en rocas de interés en exploración planetaria. Aplicaciones en Astrobiología
(2019-07-24)La integración de instrumentos LIBS en misiones de exploración planetaria es una realidad desde hace ya unos años, siendo una tecnología conducente a la obtención de información multielemental en las distintas rocas y ... -
Detection of indigenous organic matter in rocks from the interpretation of carbon molecular forms in the laser-induced plasma.
(2023)Oil shale, a sedimentary rock containing organic matter and a variety of inorganic minerals including carbonates and kerogens, serves as a significant source of organic material on Earth [1]. Kerogen, the most abundant ... -
Detection of kerogens in sedimentary rocks by LIBS. Implications for the search for biosignatures on Mars.
(2023)Oil shale is a sedimentary rock that naturally contains organic matter. In its chemical composition presents a wide range of inorganic minerals including carbonates, silicates, etc. and kerogens – a mixture of fossil ... -
Determinación secuencial de CH3Hg y Hg mediante vapor frío-inyección en flujo-ICP-MS
(Sociedad Española de Química Analítica (SEQA), 2013)El mercurio es uno de los contaminantes ambientales más importantes y sus efectos tóxicos se conocen desde hace siglos. Todas las especies de mercurio son tóxicas, aunque generalmente lo son más los compuestos orgánicos ... -
Determination of mercury by flow injection solid phase extraction coupled with on-line hydride generation ETAAS using as solid phase extractant a new functionalized mesoporous silica
(Sociedad Española de Química Analítica (SEQA), 2013)A chelating resin, [1,5 bis(di-2-pyridyl) methylene thiocarbohydrazide] bonded to mesoporous silica (DPTH-ms), has been used as a novel solid phase extractant. This resin has some advantages compared to most of other ... -
Determination of mercury in sea waters by magnetic dispersive solid phase extraction prior to quantitation by FI-CV-GFAAS
(2021-01-08)Mercury is a non-essential trace element that is toxic to humans due to the bioaccumulation effect. In this work, a shell structured Fe3O4@graphene oxide nanospheres were used to develop a magnetic dispersive solid phase ... -
Determination of Pb using F3eO4 GO join to DPTH for ferrofluid based dispersive solid phase extraction
(2018-10-26)In this work has been described a green and rapid method the synthesis of Fe3O4@GO nanospheres via chemical covalent bonding method. The Fe3O4@GO DPTH was applied to ferrofluid based dispersive solid phase extraction of ... -
Determination of plasmas formation thresholds using femtosecond laser pulses
(2013-11-05)Our current research line focuses on studying and understanding processes of laser-material interaction in condensed phase using femtosecond lasers in an attempt to improve the analytical performance of laser-based optical ... -
Development of a new method for preconcentration, chemical vapour generation and determination of metal ions by ICP OES in environmental samples using magnetic nanoparticles
(2015-12-21)Silica-coated magnetic nanoparticles (MNP SCMNPs) modified with [1,5-bis (2-pyridyl)-3-sulphophenyl methylene] thiocarbonohydrazide were synthesized by a sol-gel method. These magnetic nanoparticles (PSTHmnp) were employed ... -
Development of an on-line MSPE-ICP-OES method for the preconcentration and speciation of Cr(III)/Cr(VI) in aqueous samples
(2021-01-08)In this work, a new double-reactor method for the analysis and speciation of trace amounts of Cr(III)/Cr(VI) ions in environmental samples has been developed combining on-line magnetic solid phase extraction (MSPE) with ...