Zobrazeno 1 - 10
of 10
pro vyhledávání: '"María Jesús Gismera"'
Autor:
Beatriz Gómez-Nieto, Elena Serna-Martín, María Jesús Gismera, María Teresa Sevilla, Jesús R. Procopio
Publikováno v:
Green Analytical Chemistry, Vol 10, Iss , Pp 100124- (2024)
An environmentally friendly and simple dispersive liquid–liquid microextraction method based on a hydrophobic natural deep eutectic solvent (NADES) was developed for the simultaneous preconcentration of Cu and Ni from water samples. The NADES compo
Externí odkaz:
https://doaj.org/article/34521b2c5e8d4224ad9ed8e1ed6e603d
Autor:
Ana San-Felipe, Beatriz Gómez-Nieto, María Jesús Gismera, María Teresa Sevilla, Jesús R. Procopio
Publikováno v:
Green Analytical Chemistry, Vol 6, Iss , Pp 100068- (2023)
Industrial by-products such as biomass bottom ash (BBA) should be reused in the context of the Circular Economy, but their use depends on the content of major, minor, and toxic elements. In this work, a slurry sampling method based on High Resolution
Externí odkaz:
https://doaj.org/article/9bca2a41a5524b25b4a771195d36a7e3
Autor:
Beatriz Gómez-Nieto, Carmen Isabel-Cabrera, María Jesús Gismera, María Teresa Sevilla, Jesús R. Procopio, María Isabel Sánchez de Rojas
Publikováno v:
Analytical Methods. 15:1105-1115
A slurry sampling method was developed for the fast determination of Pb, Ni, Fe, and Mn in construction materials by high-resolution continuum source graphite furnace atomic absorption spectrometry (HR-CS GFAAS).
Publikováno v:
Microchimica Acta. 187
Screen-printed carbon electrodes (SPCE) were modified with nanocomposite membranes based on polystyrene sulfonate (PSS) or poly(diallyldimethylammonium) (PDDA) matrices and different nanomaterials. Carbon nano-powders (CnP), carbon nano-fibers (CnF)
Publikováno v:
Electroanalysis. 29:116-122
The electrochemical properties of atranol and chloroatranol have been evaluated in order to use dual detection to develop a simple reverse-phase high performance liquid chromatographic (HPLC) method for the determination of these allergens in cosmeti
Autor:
Jesús R. Procopio, Roberto María-Hormigos, María Jesús Gismera, Ángel Rumbero, María Teresa Sevilla
Publikováno v:
Electroanalysis. 29:60-66
In this work we propose a rapid method for deoxynivalenol (DON) detection based on the differential pulse voltammetric (DPV) response of this mycotoxin on a bismuth oxide modified screen-printed electrode (SPE). In alkaline media the reduction peak o
Autor:
Mª Teresa Sevilla, María Jesús Gismera, Jesús R. Procopio, M. Rodríguez-Rastrero, Jaime Cuevas, N. Sánchez-Jiménez
Publikováno v:
Applied Clay Science. 56:23-29
Interaction studies of clayey materials with heavy metals have been carried out at different experimental conditions to evaluate their suitability as geological barrier of landfills. For this purpose, five raw materials, usually quarried for brick ma
Publikováno v:
Analytical Sciences. 22:405-410
Dithiodibenzoic (DTB) acid and mercaptobenzoic (MB) acid were studied to characterize their abilities as modifier agents for lead(II) sensors. For both sensors, the best results were obtained with modified carbon paste electrodes with 24.1% of ligand
Autor:
Jaime Cuevas, Ana Isabel Ruiz, M. Rodríguez-Rastrero, María Jesús Gismera, I. S. De Soto, Mercedes Regadío
Publikováno v:
The Science of the total environment.
Analyses of substratum samples under a landfill were performed to assess the pollution impact of waste over a clay-sand material after nine years of exposure. These samples presented different illite/kaolinite ratios and an acid pH, especially low ne
Publikováno v:
Talanta. 74(2)
A new carbon paste electrode modified with tetramethyl thiuram disulfide is prepared to use as copper potentiometric sensor in batch and flow analysis. The influence of pH and carbon paste composition on the potentiometric response is studied. The pr