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Arsenic Concentrations in Water, Soil, Milk and Forage in Comarca Lagunera, Mexico
Arsenic levels were determined in seventy three samples of well water, and in fifty samples of soil, forage and cow's milk collected at the most important dairy farms of the Comarca Lagunera locatedExpand
Chemical composition of rainwater collected at a southwest site of Mexico City, Mexico
Abstract Measurements of the trace metals Cd, Cr, Mn, Ni, Pb, V and Al in soluble and insoluble rain fractions and SO 4 − 2 , NO 3 − , Cl − , HCO 3 − , Ca 2+ , Mg 2+ , Na + , K + , NH 4 + and H + inExpand
Carbonyl levels in indoor and outdoor air in Mexico City and Xalapa, Mexico.
Formaldehyde and acetaldehyde risks were higher in smoking environments, and the highest mean concentration in the offices where there were smokers. Expand
Measurements of formaldehyde and acetaldehyde in the atmosphere of Mexico City.
Comparing the concentration measured in this work with those in urban areas it was found that the formaldehyde and acetaldehyde levels in Mexico City are among the highest reported in the literature. Expand
On the evolution of aerosol properties at a mountain site above Mexico City
Size distributions, scattering and absorption coefficients, and the bulk chemical composition of aerosols have been measured at a mountain site 400 m above the southwest sector of the Mexico CityExpand
Measurement of chemical elements in rain from Rancho Viejo, a rural wooded area in the State of Mexico, Mexico
Abstract A rural forested site was selected to measure Al, Cd, Cr, Mn, Ni, Pb and V (soluble and insoluble fractions), and the major inorganic ions Na + , K + , Ca + , Mg 2+ , NH 4 + , H + , Cl − ,Expand
Oyster (Crassostrea virginica) as indicator of heavy metal pollution in some lagoons of the Gulf of Mexico
The littoral lagoons of the Gulf of Mexico have been investigated to determine the amount of heavy metal pollution. Some lagoons have been contaminated by liquid wastes mainly originating from sugarExpand
Characterization of size-differentiated inorganic composition of aerosols in Mexico City
Abstract Size-differentiated atmospheric aerosol particles were collected during December 2000–October 2001 in Mexico City (19°N, 99°W) using a micro-orifice uniform deposit impactor. Sulfate andExpand
Preliminary study of the determination of ambient carbonyls in Xalapa City, Veracruz, Mexico
Abstract A preliminary study of ambient carbonyls was performed in Xalapa City to measure carbonyls in the atmosphere of this City, because it has an explosive increase in population and trafficExpand
Atomic Absorption Spectrometry (AAS)