Academic literature on the topic 'Espectroscopía de absorción atómica'
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Journal articles on the topic "Espectroscopía de absorción atómica"
Pérez-López, Esteban, and Raquel Esquivel-Arias. "Adecuación de metodologías para análisis de sodio y potasio por espectroscopía de absorción atómica, en sales de rehidratación oral." Revista Tecnología en Marcha 31, no. 2 (June 29, 2018): 40. http://dx.doi.org/10.18845/tm.v31i2.3623.
Full textSarmiento-Gamero, Maria Fernanda, Carlos Daniel Ramos-Contreras, Sofía Lorena Flórez-Pérez, and Francisco José Molina-Pérez. "Determinación de metales pesados en material particulado atmosférico por espectroscopía de absorción atómica: validación." Revista Politécnica 17, no. 34 (November 9, 2021): 153–69. http://dx.doi.org/10.33571/rpolitec.v17n34a10.
Full textGiraldo Osorio, Óscar Hernán, Nayda Patricia Arias Duque, and Jhon Mauricio Aguirre Cortés. "PROPIEDADES DIELÉCTRICAS DE HIDRÓXIDOS DOBLES LAMINARES DE Mg:Al." Revista de la Sociedad Química del Perú 81, no. 3 (September 30, 2015): 224–31. http://dx.doi.org/10.37761/rsqp.v81i3.21.
Full textAraujo, Lourdes Salome, Wilson Tapia, and Adrián Villamarín Ortiz. "Verificación del método analítico de espectroscopía de absorción atómica con horno de grafito para la cuantificación de cadmio en almendra de cacao (Theobroma cacao)." La Granja 31, no. 1 (February 28, 2020): 46–60. http://dx.doi.org/10.17163/lgr.n31.2020.04.
Full textReyes, Reynaldo, Gabriel Altuna, and Ciro Carhuancho. "SISTEMA DE DIODO LASER SINTONIZABLE EN FRECUENCIA PARA APLICACIONES EN LA ESPECTROSCOPIA." Revista Cientifica TECNIA 24, no. 2 (February 8, 2017): 69. http://dx.doi.org/10.21754/tecnia.v24i2.42.
Full textZegarra Pisconti, Marixa, and Jesús Cjuno Huanca. "PRECONCENTRACIÓN DE PLOMO EN MUESTRAS SINTÉTICAS POR EXTRACCIÓN CON TRITÓN X-114 EN EL PUNTO DE NUBE Y ANÁLISIS POR ABSORCIÓN ATÓMICA (EAAF)." Revista de la Sociedad Química del Perú 81, no. 1 (March 31, 2015): 3–13. http://dx.doi.org/10.37761/rsqp.v81i1.5.
Full textChávez Llallire, Natalia Karolina, Rocío Isabel Ramírez Panti, Patricia Sheen Cortovarría, Mirko Juan Zimic Peralta, and Ana Cecilia Valderrama Negrón. "SÍNTESIS, CARACTERIZACIÓN Y EVALUACIÓN DE LA ACTIVIDAD BIOLÓGICA DE COMPUESTOS DE COORDINACIÓN DE COBALTO CON PIRAZINAMIDA." Revista de la Sociedad Química del Perú 86, no. 3 (September 30, 2020): 315–28. http://dx.doi.org/10.37761/rsqp.v86i3.303.
Full textHidalgo Porras, Jocseline M. "Cuantificación de V, Ni, Zn y Fe en asfalto por espectroscopia de absorción atómica." Métodos y Materiales 7 (May 22, 2018): 20–28. http://dx.doi.org/10.15517/mym.v7i1.30322.
Full textPalazón Bru, Irene, Lorena López Lozano, Antonio Palazón Bru, Manuel Arroyo Fernández, and Montserrat González-Estecha. "Procedimiento de validación de un método para cuantificar cromo en suero por espectroscopía de absorción atómica con atomización electrotérmica." Revista del Laboratorio Clínico 8, no. 1 (January 2015): 52–57. http://dx.doi.org/10.1016/j.labcli.2014.12.003.
Full textGallegos, Wilma, María Vega, and Paco Noriega. "Espectroscopía de absorción atómica con llama y su aplicación para la determinación de plomo y control de productos cosméticos." La Granja 15, no. 1 (June 30, 2012): 19. http://dx.doi.org/10.17163/lgr.n15.2012.02.
Full textDissertations / Theses on the topic "Espectroscopía de absorción atómica"
Ochoa, Luna Rómulo. "Uso y abuso del equipo de absorción atómica en el análisis químico." Revista de Química, 2013. http://repositorio.pucp.edu.pe/index/handle/123456789/101341.
Full textHerrera, Urbina Felipe Andrés. "Teoría de la espectroscopía de dos fotones en compuestos de coordinación." Tesis, Universidad de Chile, 2007. http://www.repositorio.uchile.cl/handle/2250/105680.
Full textEste trabajo está dedicado al estudio teórico de experimentos en espectroscopia de absorción de dos fotones. Nuestra atención será focalizada al caso particular correspondiente a la co-propagación de los dos haces a lo largo del eje de cuantización. Existen a lo menos otras dos situaciones de interés, por ejemplo (a) los haces se propagan a lo largo del eje de cuantización, con la misma dirección pero con sentido opuesto y (b) ambos haces se intersectan formando un ángulo de 90°. Para efectos ilustrativos, consideraremos experimentos de dos fotones en el caso del ion hexafluoruro de manganeso (IV) con referencia a la transición g g A T2 4 2 4 → del ion manganeso (IV) en sistemas cristalinos dopados del tipo 4 2 6 Cs GeF :Mn+ . Estos sistemas son interesantes, por cuanto en los dos primeros casos, señalados en el párrafo anterior, la impureza manganeso (IV) ocupa sitios de simetría octaédrica. Dedicaremos parte de nuestro esfuerzo a desarrollar un modelo de cálculo adaptado por simetría, el cual sea lo suficientemente flexible y general, como para acomodar efectos relativistas y no relativistas en segundo orden y en la situación particular de experimentos de un color (ambos haces se co-propagan a lo largo del eje Z). Generalizaciones de este trabajo a correcciones de tercer y cuarto orden son directas, sin embargo, están fuera de los objetivos de esta memoria
Acuña, Ruiz Víctor Andrés. "Determinación espectrofotométrica de plomo (II) con ditizona en solución micelar aniónica." Bachelor's thesis, Universidad Nacional Mayor de San Marcos, 2012. https://hdl.handle.net/20.500.12672/3421.
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Huanri, Pacotaype Jesús Emanuel. "Determinación de plomo y arsénico en jugo de caña de azúcar (Saccharum officinarum) por espectroscopía de absorción atómica en Lima Metropolitana." Bachelor's thesis, Universidad Nacional Mayor de San Marcos, 2014. https://hdl.handle.net/20.500.12672/3726.
Full textIn the present investigation the concentrations of arsenic and lead were determined in the "cane juice" (Saccharum officinarum) in the districts of El Agustino, Rímac, Lima Cercado, La Victoria, San Juan de Lurigancho in the months from November to December 2013. The method used for the determination of arsenic by Atomic Absorption Spectroscopy hydride generator and atomic absorption graphite furnace for lead, because it is the method of choice as current bibliographies, for the determination of metals in different types of samples acceptability is due to their specificity, sensitivity and ease of operation. Samples were collected on 5 more populous districts of Lima; El Agustino, Rímac, Lima Cercado, La Victoria, San Juan de Lurigancho which avenues congested and high burden of air pollution and soil, which is related to the increased pedestrian traffic and vehicular were selected according to management urban transport of the Municipality of Metropolitan Lima turn samples were collected in two hours; the first gathering was at 10:00 am and after 6:00 pm, the analyzes were performed in the Chemical Services Unit Tests (USAQ) School of chemistry and chemical engineering (FQIQ) National University Mayor de San Marcos (San Marcos). An average of 29.23 ppb arsenic (µg /L) was obtained. In the case of lead 446.10 average ppb (µg /L) was obtained. The average concentration of arsenic at 10:00 am was not detectable or < 1 ppb (µg /L) and at 6:00 pm was 53.16 ppb (µg /L) with a standard deviation of σ=136.85. In determining lead the analysis of the sample taken at 10:00 am the average concentration was 363.61 ppb (µg /L) with a standard deviation of σ=275.29 and at 6:00 pm was 513.59 ppb (µg /L) with a σ=standard deviation of 340.63. It is concluded that arsenic concentrations do not exceed the maximum permissible limits (MPL) as World Health Organization (WHO), UN Food and Agriculture Organization (FAO) and Codex Alimentarius is 200 ppb but in the case of lead limits exceed the maximum permissible values according to WHO, FAO and Codex Alimentarius is 100 ppb and in turn it is concluded that the concentrations of lead and arsenic increase the longer the time of exposure to the environment. More interest by health authorities, in turn sellers promote health awareness in the stages of production of “cane juice". Keywords: Saccharum oficcinarum, World Health Organization (WHO), Codex Alimentarius, concentration limits, atomic absorption spectroscop
Tesis
López, Mariluz Percy Yaque. "Tratamiento estadístico a los datos obtenidos en la determinación de plomo en alimentos liofilizados, por la técnica de absorción atómica, vía horno de grafito." Bachelor's thesis, Universidad Nacional Mayor de San Marcos, 2006. https://hdl.handle.net/20.500.12672/2116.
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Oriundo, Guarda Cristian Felipe, and Gomero Jhon Tibor Robles. "Determinación de plomo en suelos debido a la contaminación por fábricas aledañas al Asentamiento Humano Cultura y Progreso del distrito de Ñaña-Chaclacayo." Bachelor's thesis, Universidad Nacional Mayor de San Marcos, 2009. https://hdl.handle.net/20.500.12672/1636.
Full text-- Lead is a metal distributed in the environment. The environment pollution comes from mainly of tetraethyl lead from gasoline and of the diverse emissions of industrial processes where to take part compounds of lead. In this present job of investigation it was determinates the polluted concentration of lead in soils of 21 houses from the Human Settlement Cultura y Progreso in the district of Ñaña - Chaclacayo during the month of February of 2006. The sampling method used was the recommended by EPA (Environmental Protection Agency) and the methodology for the analysis of the samples was the Spectrophotometry of Atomic Absorption of graphite Furnace. It exists a direct relation between the lead concentration in soil and roof of the houses and distance with the nearby factories; samples were taken in 3 blocks near to some factories, the block more nearly to the factories presented a higher vakue of lead concentration and the block farthest presented a lower value of lead concentration respect to the others 2. The results obtained indicate that 90.24% of the samples analyzed exceed the limit value established for the W.H.O. which is 25 mg/Kg in soil. For this reason is recommended to do periodical monitoring of lead contamination in soils for controlling its emption and toxicity in the environment.
Tesis
Huguet, Tapia Rodolfo. "Determinación cuantitativa de metales pesados en cinco especies vegetales en bolsas filtrantes para infusiones expendidas en Lima Metropolitana - 2013." Master's thesis, Universidad Nacional Mayor de San Marcos, 2014. https://hdl.handle.net/20.500.12672/3596.
Full textMan throughout history has used botany with most diverse purposes. Plants have been used as sources of food for humans and animals; and as a therapeutical remedy to combat various diseases. This thesis aims to raise awareness of the presence and concentrations of heavy metals: Lead (Pb), Cadmium (Cd), Arsenic (As), nickel (Ni), Mercury (Hg) and Manganese (Mn) in filter bags of "tea" (Camellia sinensis), "chamomile" (Matricaria chamomilla L.), "anise" (Pimpinella anisum), "lemongrass" (Cymbopogon citratus), and "green tea" (Camellia sinensis) expended in Metropolitan Lima. Taking 36 samples of all brands of filter bags was conducted infusions of "tea", "chamomile", "anise", "lemongrass" and "green tea" expended in Metropolitan Lima; analyzes were performed using the method of atomic absorption spectrophotometry by graphite furnace for Lead and Cadmium; with Hydride Generator for Arsenic; with cold steam for Mercury and with flame for Manganese and Nickel. Because in the Peruvian regulations limit or value is not contemplated maximum allowed for heavy metals like Lead, Cadmium, Nickel, Manganese, Mercury and Arsenic in the leaves of "tea", "chamomile", "anise" "Lemongrass" and "green tea" values set will be used by International organizations like the World Health Organization (WHO), the Regulation of the European Union and Codex Alimentarius. Of the thirty-six filter bags samples analyzed, the Arsenic value found was up to 0,16 µg/g, while the minimum value is 0,01 µg/ g, the average value of arsenic was 0,06 µg / g. The maximum value of Cadmium found was 0,62 µg/g and the minimum value was 0,11 µg/g; average value Cadmium was 0,28 µg/g. Lead Maximum value found was 22,15 µg/g and at least 1,85 µg/g; Lead average value was 4,21 µg/g. For maximum value Nickel found was 6,99 µg/g and the minimum value of 0,11 µg/g; the average value of Nickel is 0,28 µg /g. The maximum value of Mercury found was 0,016 µg/g and the minimum value 0,003 µg/g; the average value found in the concentration of mercury was 0,01 µg/g. For Manganese, It found a maximum value that was 785,45 µg/g and a minimum value of 210,57 µg/g; Manganese average value was 472,16 µg/g. Keywords: Heavy metals, Lead, Cadmium, Arsenic, Nickel, Mercury, Manganese, filter bags.
Tesis
Caso, Lombardi José. "Determinación de concentraciones de plomo en maíz (Zea mays) procedente de la cuenca del río San Juan Chincha." Bachelor's thesis, Universidad Nacional Mayor de San Marcos, 2020. https://hdl.handle.net/20.500.12672/14820.
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Macha, Manhualaya Eder. "Determinación de cadmio, arsénico y plomo por espectrofotometría de absorción atómica en aguas de pozo de Castillo Grande - Tingo María, julio - setiembre 2019." Bachelor's thesis, Universidad Nacional Mayor de San Marcos, 2019. https://hdl.handle.net/20.500.12672/11630.
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Antay, Utani José Carlos, and Marin Alonso Saire. "Cuantificación de plomo en sangre y protoporfirina zinc eritrocitaria en trabajadores de empresas de servicio de fotocopiado que funcionan en el campus universitario de la Universidad Nacional Mayor de San Marcos." Bachelor's thesis, Universidad Nacional Mayor de San Marcos, 2014. https://hdl.handle.net/20.500.12672/3833.
Full text--- During the 2013 the lead concentration in the blood and erythrocyte protopophyrin zinc was studied in a total of 25 people who worked in photocopiers companies at San Marcos National University Campus, who were constantly exposed to fotocopyng machine´s toner. The methods used in order to measure the quantity of lead in the blood were the atomic absorption spectrophotometry by Graphite Furnace, erythrocyte protopophyrin zinc by Spectrofluorometry. Surveys came to light an incipient understanding of lead toxicity so we did informative talks on prevention and prophylactic measures. The average results of blood lead was 0,056 µg/dL, and protoporphyrin zinc was 31,2 µg/dL. These results indicate that the average blood lead levels do not exceed the permissible limits (20 µg/dL). The protoporphyrin levels don´t either (80 µg/dL). These results show the need for continuous monitoring and control of blood lead level in a greater number of exposed populations. KEY WORDS: lead, blood lead, erythrocyte protopophyrin zinc, exposed population, atomic absorption spectrophotometry, spectrofluorometry.
Tesis
Books on the topic "Espectroscopía de absorción atómica"
Castillo Ayala, Jorge Enrique, Guillermo Garzón García, Jhon Jairo Rios Acevedo, Sandra Patricia Castro Narváez, Alejandra Pineda Quintero, Lizbeth Lorena López Parra, Carol Stephania Martán Rodríguez, et al., eds. Aportes analíticos al estudio de aguas residuales y potables. Editorial Universidad Santiago de Cali, 2020. http://dx.doi.org/10.35985/9789585583214.
Full textAngino, Ernest E., and Gale K. Billings. Atomic Absorption Spectrometry in Geology. Elsevier, 2013.
Find full textCastillo, Eveling, Roxana Medina, and Higinio Zúñiga. Agua potable un derecho de la humanidad: características fisicoquímicas, bacterias y metales pesados. Instituto Universitario de Innovación Ciencia y Tecnología Inudi Perú, 2022. http://dx.doi.org/10.35622/inudi.b.015.
Full textBook chapters on the topic "Espectroscopía de absorción atómica"
"Cuantificación de metales pesados (plomo y cadmio) en agua, por Espectroscopía de Absorción Atómica con Horno de Grafito." In Aportes analíticos al estudio de aguas residuales y potables, 63–88. Editorial Universidad Santiago de Cali, 2020. http://dx.doi.org/10.35985/9789585583214.3.
Full text"Cuantificación de metales pesados (plomo y cadmio) en agua, por Espectroscopía de Absorción Atómica con Horno de Grafito." In Aportes analíticos al estudio de aguas residuales y potables, 63–88. Editorial Universidad Santiago de Cali, 2020. http://dx.doi.org/10.35985/9789585583214.3.
Full textGamboa García, Diego Esteban, Guillermo Duque, Rosa del Pilar Cogua Romero, and María Eufemia Freire Tigreros. "Mercurio total en plumas de pelecanus occidentalis en el pacífico vallecaucano." In Comunidades Epistemológicas Tomo II: investigando la actualidad desde diversas disciplinas, 31–48. 2nd ed. Editorial Universidad Santiago de Cali, 2019. http://dx.doi.org/10.35985/9789585522749.2.
Full textConference papers on the topic "Espectroscopía de absorción atómica"
Pacheco Menor, Maria Concepción, Juan Miguel Meneses Rodríguez, Raquel Maya Amado, and María Luisa Carmona Carmona. "Caracterización de cenizas de biomasa con metales pesados adsorbidos como adición en hormigones." In HAC2018 - V Congreso Iberoamericano de Hormigón Autocompactable y Hormigones Especiales. Valencia: Universitat Politècnica València, 2018. http://dx.doi.org/10.4995/hac2018.2018.5529.
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