Listar INVESTIGACIÓN Y DESARROLLO por autor "Mendoza, Pablo"
Mostrando ítems 41-47 de 47
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Quality assurance of analytical results in environmental samples by means of participation in intercomparison round
Torres, Blanca; Mendoza, Pablo; Olivera, Paula; Ubillús, Marco; Montoya, Eduardo; Bedregal, Patricia (LimaPE, 2003-07)Acceso abiertoIn developing countries, limited resources in the laboratories hinder quality assurance. One way to overcome this problem is to participate in international interlaboratory comparison rounds in order to asses the reliability ... -
Radiochemical separation of Cd-109 and Hg-203 by ion exchange chromatography
Montoya, Eduardo; Espinosa, Ricardo; Poma, Carmen; Mendoza, Pablo (LimaPE, 1990-07)Acceso abiertoNAA of mercury and cadmium in food, at trace levels, usually needs suitable methods of radiochemical separation. This work explores two of such procedures. In the firs procedure and irradiated sample is heated with a mixture ... -
Study of antarctic lichens as environmental biomonitors in the Admiralty Bay: Preliminary study of trace elements contents by neutron activation analysis
Gonzáles, Susana; Osores, José; Mendoza, Pablo (LimaPE, 2002-06)Acceso abiertoAl, As, Cu, Fe, Mn and Ti contents were analyzed for the epilithic antarctic lichen Usnea antarctica, used as a biomonitor for air quality. The samples were taken in the surrounding area of the Peruvian scientific station ... -
Study of the production and distribution of middle horizon pottery of Cuzco, Perú by k_0-based instrumental neutron activation analysis
Montoya, Eduardo; Glowacki, M.; Zapata, J.; Mendoza, Pablo (LimaPE, 2002-06)Acceso abiertoThe objective of the present research was to establish, in general terms, the provenience of certain pottery styles dating to the Middle Horizon which are known to the Southern Highlands, Cuzco region. The specific goal ... -
The development of the k0 method in Peru: Past, present, and future perspectives
Montoya, Eduardo; Bedregal, Patricia; Mendoza, Pablo; Ubillús, Marco; Torres, Blanca; Cohen, Isac (Instituto Peruano de Energía NuclearPE, 2010-11)Acceso abiertoThe k0 method was implemented at the Peruvian Institute of Nuclear Energy (IPEN), by 1993. Since the middle of 1994, almost all INAA work at IPEN is performed by the k0 method. The establishment, applications, development ... -
The set Au - Zr - Mo - Cr - Lu as multiple reactor flux monitor: The performance of Zr-96 and the analysis of inconsistencies
Montoya, Eduardo; Mendoza, Pablo; Bedregal, Patricia; Ubillús, Marco; Torres, Blanca; Cohen, Isaac (Lima (Perú)PE, 2008-11)Acceso abiertoThe simultaneous use of Au, Zr, Mo, Cr and Lu, for the characterization of irradiation facilities with the purpose of parametric neutron activation analysis, reveals some systematic inconsistencies in the determination of ... -
El uso de Usnea sp. y Tillandsia capillaris como bioindicadores de la contaminación ambiental en la ciudad de Lima, Perú
Bedregal, Patricia; Torres, Blanca; Mendoza, Pablo; Ubillús, Marco; Hurtado, Jazmín; Maza, Ily; Espinoza, Rosa (Lima (Perú)PE, 2006-07)Acceso abiertoCon la finalidad de evaluar la contaminación en la ciudad de Lima Metropolitana se realizó un monitoreo ambiental utilizando los biomonitores: liquen Usnea sp y Tillandsia capillaris. Las muestras fueron recogidas de una ...