Search Results - "Barciela, M. C."

Direct LC–ES-MS/MS determination of phthalates in physiological saline solutions by PEREZ FEAS, C, BARCIELA-ALONSO, M. C, BERMEJO-BARRERA, P

“…A method for determining a group of phthalic esters (PAEs) in physiological saline solutions has been developed. The PAEs studied were dimethyl phthalate,…”
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Chromium available fractions in arousa sediments using a modified microwave BCR protocol based on microwave assisted extraction by PAZOSCAPEANS, P, BARCIELAALONSO, M, BERMEJOBARRERA, A, BERMEJOBARRERA, P

“…In a research of chromium availability, the three-stage sequential extraction procedure, proposed by European Community Bureau of Reference (BCR), has been…”
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Phthalates determination in physiological saline solutions by HPLC–ES-MS by Feás, C. Pérez, Alonso, M.C. Barciela, Peña-Vázquez, E., Hermelo, P. Herbello, Bermejo-Barrera, P.

“…Phthalates are a group of chemical compounds with increasing interest from the analytical point of view. The risks for human health associated with some of…”
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Chromium in marine sediment samples from the Ría de Arousa (Galicia, NW of Spain): analysis of the total content in slurries by ETAAS by PAZOS-CAPEANS, P, BARCIELA-ALONSO, M. C, BERMEJO-BARRERA, A, BERMEJO-BARRERA, P

“…The study attempts to measure the total chromium content in sediments of all the Ria de Arousa (Galicia, NW Spain). The method was developed by analysing…”
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Study of cadmium, lead and tin distribution in surface marine sediment samples from Ria de Arousa (NW of Spain) by Barciela-Alonso, M.C., Pazos-Capeáns, P., Regueira-Miguens, M.E., Bermejo-Barrera, A., Bermejo-Barrera, P.

“…In this work a study of the Cd, Pb and Sn content in marine surface sediment from the Ria de Arousa has been realised. For this, 21 sediment samples were taken…”
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Evaluation of a cloud point extraction method for the preconcentration and quantification of silver nanoparticles in water samples by ETAAS by López-Mayán, J. J., Cerneira-Temperán, B., Peña-Vázquez, E., Barciela-Alonso, M. C., Domínguez-González, M. R., Bermejo-Barrera, P.

“…A simple and reliable analytical method using instrumentation available in most of the laboratories has been developed for the separation and determination of…”
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On the distribution of silicic acid as a frontal zone tracer in the Indian sector of the Southern Ocean by Prego, R., Park, Y. H., Barciela, M. C., Morvan, J., Poncin, J., Tréguer, P.

“…The subantarctic frontal zone surveyed during the April-May 1991 SUZIL cruise in the Crozet-Kerguelen-Amsterdam area shows a strong horizontal (north to south)…”
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Determination of trace metals in natural waters by flame atomic absorption spectrometry following on-line ion-exchange preconcentration by Yebra-Biurrun, M.C., Bermejo-Barrera, A., Bermejo-Barrera, M.P., Barciela-Alonso, M.C.

“…An on-line column preconcentration technique for flow-injection flame atomic absorption spectrometry has been developed for the determination of trace metals…”
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Use of High-Resolution Continuum Source Flame Atomic Absorption Spectrometry (HR-CS FAAS) for Sequential Multi-Element Determination of Metals in Seawater and Wastewater Samples by Peña-Vázquez, E., Barciela-Alonso, M. C., Pita-Calvo, C., Domínguez-González, R., Bermejo-Barrera, P.

“…The objective of this work is to develop a method for the determination of metals in saline matrices using high-resolution continuum source flame atomic…”
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Silicon determination in milk by electrothermal atomic absorption spectrometry using palladium as chemical modifier by Bermejo-Barrera, P, Barciela-Alonso, M C, Domínguez-González, R, Bermejo-Barrera, A, Cocho De Juan, J A, Fraga-Bermúdez, J M

“…A direct method for silicon determination in milk samples by Electrothermal Atomic Absorption Spectrometry was developed. Palladium was used as chemical…”
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Determination of silicate, simultaneously with other nutrients (nitrite, nitrate and phosphate), in river waters by capillary electrophoresis by Barciela Alonso, M.C, Prego, R

“…Capillary electrophoresis with an indirect UV detection was used in this study to analyse silicate, simultaneously with other nutrients (nitrite, nitrate,…”
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Direct speciation analysis of Cr(VI) by electrothermal atomic absorption spectrometry, based on the volatilization of Cr(III)–thenoyltrifluoracetonate from the graphite furnace by Bermejo-Barrera, P, Barciela-Alonso, M.C, Pérez-Fernández, B, Bermejo-Barrera, A

“…A new method for the direct determination of Cr(VI) by electrothermal atomic absorption spectrometry has been developed. The formation of a volatile complex…”
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Presence, distribution and contamination levels of lead in the surface sediments of the Ria of Ferrol (NW Spain) by R Prego, A Cobelo-García, C Tubío, MC Barciela

“…This article discuss, using sediment samples from the Ria of Ferrol, the need for a better understanding of the biogeochemical cycle of lead in the Galician…”
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Determination of trace metals (As, Cd, Hg, Pb and Sn) in marine sediment slurry samples by electrothermal atomic absorption spectrometry using palladium as a chemical modifier by Bermejo-Barrera, P., Barciela-Alonso, M.C., Moreda-Piñeiro, J., González-Sixto, C., Bermejo-Barrera, A.

“…Methods for the determination of As, Cd, Pb, Hg and Sn by electrothermal atomic absorption spectrometry in marine sediment slurry samples were developed…”
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Ionic imprinted polymer based solid phase extraction for cadmium and lead pre-concentration/determination in seafood by Barciela-Alonso, M.C., Plata-García, V., Rouco-López, A., Moreda-Piñeiro, A., Bermejo-Barrera, P.

“…A method for trace Cd and Pb determination in fresh fish samples by Electrothermal Atomic Absorption Spectrometry (ETAAS) has been developed. A…”
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Presence of phthalates in contact lens and cleaning solutions by Pérez-Feás, C., Barciela-Alonso, M.C., Bermejo-Barrera, P.

“…A fast and simple method using liquid chromatography–tandem mass spectrometry (LC–MS/MS) has been applied to identify and quantify four phthalic acid esters…”
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Estuarine increase of chromium surface sediments: Distribution, transport and time evolution by Pazos-Capeáns, P., Barciela-Alonso, M.C., Herbello-Hermelo, P., Bermejo-Barrera, P.

“…Chromium is an estuarine contaminant due to its industrial applications like leather tanning, dyeing or chromium plating. The most common explanation about the…”
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Nickel and cobalt determination in marine sediments by electrothermal atomic absorption spectrometry, and their distribution in the Ria of Ferrol (NW Spain) by Barciela-Alonso, M.Carmen, Tubio-Franco, M.Carmen, Prego, Ricardo

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