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The global nitrogen cycle: changes and consequences
1998
Galloway, J.N. (Department of Environmental Sciences, University of Virginia, Charlottesville, VA 22903 (USA))
Residues of chlorinated hydrocarbon insecticides in human milk of Jordanian women
1998
Nasir, K. | Bilto, Y.Y. | Al-Shuraiki, Y. (Department of Biological Sciences, University of Jordan, Amman (Jordan))
Temporal trends of persistent organochlorine residues in human adipose tissue from Japan, 1928-1985
1993
Loganathan, B.G. | Tanabe, S. | Hidaka, Y. | Kawano, M. | Hidaka, H. | Tatsukawa, R. (Department of Environment Conservation, Ehime University, Tarumi 3-5-7, Matsuyama 790 (Japan))
Temporal changes in some chlorinated hydrocarbon residue levels of Canadian breast milk and infant exposure
1994
Mes, J. (Food Research Division, Bureau of Chemical Safety, Food Directorate, Health Protection Branch, Health and Welfare Canada, Tunney's Pasture, Ottawa K1A 0L2 (Canada))
Polychlorinated biphenyl and organochlorine insecticide residues in human adipose tissue in Poland
1993
Tanabe, S. | Falandysz, J. | Higaki, T. | Kannan, K. | Tatsukawa, R. (Department of Environment Conservation, Ehime University, Tarumi 3-5-7, Matsuyama 790 (Japan))
[Availability of pollution components in soil and wastes: Influence on assessment of risk on human exposure?]
2000
Carlsen, A.
Fish contamination and human exposure to mercury in Tartarugalzinho River, Amapa State, Northern Amazon, Brazil: a screening approach
1997
Bidone, E.D. (Universidade Federal Fluminense, Niteroi, RJ (Brazil). Dept. Geoquimica) | Castilhos, Z.C. | Santos, T.J.S. | Souza, T.M.C. | Lacerda, L.D.
Fish diet and mercury exposure in a riparian amazonian population
1997
Lebel, J. (Quebec Univ., Montreal (Canada). Centre pour l'Etude des Interactions Biologiques entre la Sante et l'Environnement) | Roulet, M. | Mergler, D. | Lucotte, M. | Larribe, F.
Atomic absorption spectrophotometric determination of cadmium, copper, lead in organic matter with high molecular weight amine extraction
1979
Matsuzawa, K. (Nagano-ken. Research Inst. for Health and Pollution (Japan))
As high molecular weight amine were able to extract trace cadmium, copper and lead Into an organic phase at the potassium iodide-sulfuric acid, simultaneously, conditions for determination directly organic phase with atomic absorption spectrophotometry were investigated. By setting potassium iodide concentration and sulfuric acid concentration at 0.2M and 3.6 N, respectively, cadmium, copper and lead were extracted with 5v/v% Amberlite LA-2-n-Buthyl acetate solution simultaneously. Under the conditions above described, the extraction rate of cadmium, copper were 100% and its of lead was 98%. The coefficient of variation were proved to be 0.71%, 1.47%, 1. 30%; which were obtained by the 20 repeats of determination with 1 micro g/ml cadmium, copper solution and 5 micro g/ml lead solution With regard to the effect of coexisting ions, alkaline metals, alkaline earths metals, Fe(II), Zn(II), Al(II), Mn(II), Cr(IV), Si(IV), Ni(II), As(III) etc. did not interfere. The method was applied to the determination of cadmium, copper and lead in hair with satisfactory results.
Show more [+] Less [-]Treatment of human excreta in mountainous area by anaerobic digestion and seepage spray method
2004
Suzuki, T.(Nagano-ken. Research Inst. for Health and Pollution (Japan)) | Murakami, R. | Ishikawa, T.
A research on a treatment system of human excreta provided for the use in mountainous areas was carried out. The system was composed of two treatment processes, an anaerobic digestion and a seepage spray process. Vertical distributions of chemical components were observed in the anaerobic digestion tank, because the top of the tank was covered with water permeable phase and rain water was penetrated into the tank. Comparing the amount of inflow into and of evapotranspiration from the system, about 70% of the inflow was overflowed from the seepage spray tank, under the assumption that the whole rain water fallen on the system was permeated into it.
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