Documentos de Manuel Martínez | REDI

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Mostrando 6 resultados de: 6

Filtros aplicados

Área temáticas: "Química inorgánica"

Subtipo de publicación

Publisher

Revista Tecnica de la Facultad de Ingenieria Universidad del Zulia(2)

Journal of Coastal Research(1)

Journal of South American Earth Sciences(1)

Revista Colombiana de Quimica(1)

Área temáticas

Geología económica(2)

Minería y operaciones afines(2)

Aceites, grasas, ceras y gases industriales(1)

Ciencias de la Tierra de otras zonas(1)

Geología, hidrología, meteorología(1)

Área de conocimiento

Química ambiental(3)

Biogeografía(1)

Ciencia de materiales(1)

Fertilidad del suelo(1)

Año de Publicación

Origen

Palabras Claves

Depolymerization(2)

Heavy Metals(2)

Cu (II), Cd (II) and Zn (II) adsorption by the Cuare Mangrove Peat, Falcon State, in different degrees of artificial maturation

Abstract: The high adsorption capacity of peat for heavy metals constitutes a complex phenomenon of economic a

Palabras claves:

Adsorption, Artificial maturation, Heavy Metals, Peat

Escobar M., Manuel Martínez, Martinez V., Reátegui K.

Geochemical study of products associated with spontaneous oxidation of coal in the Cerro Pelado Formation, Venezuela

Abstract: The aim of this research work is a geochemical, mineralogical, and textural characterization of spon

Palabras claves:

Ammonium thiosulfate, Bituminous coal, Clinker material, Fumarolic mineralizations northwestern Venezuela, Spontaneous oxidation

Del Río J., Gonzalo Márquez, Hurtado A., Manuel Martínez, Sánchez F.J.A.

Effect of solvent structure and amine addition on the depolymerization of a bituminous Venezuelan coal

Abstract: This research article describes the solvents composition and structure effects on the depolymerizati

Palabras claves:

Amine, Depolymerization, Donor–acceptor number, extraction, Solubility parameters

Érica Lorenzo, Escobar M., Esteves I.H., Gamboa A., Garbán G., Manuel Martínez, Quintero K.

Distribution of trace elements in offshore sediments of the Orinoco Delta

Abstract: Surficial sediments from 56 stations on the Orinoco Delta offshore zone were analyzed by x-ray fluor

Palabras claves:

geochemistry, Heavy Metals, Surface sediments, VENEZUELA, X-ray fluorescence

Alfonso J.A., Benzo Z., Flores S., Manuel Martínez

Oxidation of natural graphite in the laboratory and comparison with the synthetic graphite oxide, by means of thermal and spectroscopic techniques

Abstract: With the aim of establishing the probable natural formation of graphite oxide (GO) during the weathe

Palabras claves:

Cristalinity, graphite, Graphite oxide, VENEZUELA, Weathering

Barrios C., Escobar M., Manuel Martínez, Marrero S., Meléndez W., Pisapia D., Reátegui K.

Identification of biomarkers in a bituminous coal treated with acid and an unconventional solvent

Abstract: This article describes saturated biomarkers (n-alkanes, hopanes and steranes) identified in the extr

Palabras claves:

Bitumen, Demineralization, Depolymerization, extraction, N.N-dimethylformamide

Érica Lorenzo, Escobar M., Esteves I.H., Gamboa A., Garbán G., Manuel Martínez