Zobrazeno 1 - 10
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pro vyhledávání: '"Chris J. Cappon"'
Autor:
Chris J. Cappon
Publikováno v:
The Science of the total environment.
Information is presented on the impact of land application of municipal sewage sludge on the selenium content and speciation in soil, groundwater and edible vegetation. Sources and typical concentrations of selenium in sludge are documented. A discus
Autor:
Chris J. Cappon
Publikováno v:
Water, Air, and Soil Pollution. 22:95-104
The content and chemical from of Hg and Se were determined for several samples of municipal sewage sludge and sludge ash, garden soil having a history of sludge and residential compost application, and selected fertilizer materials (peat moss, cow ma
Publikováno v:
Journal of Chromatographic Science. 25:164-169
Specific environmentally significant arsenic compounds are determined by capillary gas-liquid chromatography. Inorganic (arsenite, arsenate) and organic (monomethylarsonate, dimethylarsinate) arsenicals are measured as the corresponding methylthiogly
Autor:
J. Crispin Smith, Chris J. Cappon
Publikováno v:
Journal of Analytical Toxicology. 2:114-120
A simple and practical method has been developed for determining specific forms of selenium In biological materials. The procedure Is based on the selective chelation of tetravalont selenium with 4-nltro-o-phenylenedlamino to form 5-nitroplazselenol,
Autor:
Chris J. Cappon
Publikováno v:
Journal of Great Lakes Research. 10:429-434
The content and chemical form of mercury and selenium were determined in the edible tissue of salmon (coho, chinook) and trout (lake, brown) taken offshore from Lake Ontario near Rochester, New York. For all fish species, total mercury content ranged
Autor:
J.C. Smith, Chris J. Cappon
Publikováno v:
Bulletin of Environmental Contamination and Toxicology. 26:472-478
Interactions between dietary mercury and selenium have been observed in chickens whereby significant amounts of both elements are deposited in the eggs. Dietary transfer into eggs is influenced by the level and chemical form of both elements in the d
Autor:
Chris J. Cappon, J. Crispin Smith
Publikováno v:
Analytical Chemistry. 52:1527-1529
Autor:
Chris J. Cappon, Marvin E. Miller
Publikováno v:
Clinical Chemistry. 30:781-783
In this liquid-chromatographic method for the determination of bromide in human serum, an important and unique feature is pre-analysis ultrafiltration of the sample, which effectively removes proteins. The chromatographic system consists of an anion-
Autor:
J. Crispin Smith, Chris J. Cappon
Publikováno v:
Journal of applied toxicology : JAT. 2(4)
The content, chemical form and distribution of mercury and selenium were determined for several samples of canned tuna. Samples represented albacore, bluefin, skipjack and yellowfin species, and were packed in either water or vegetable oil. Recently-
Autor:
Chris J. Cappon
Publikováno v:
Water, Air, and Soil Pollution. 34
The uptake and speciation of Hg and Se were assessed for the edible portion of 16 different vegetable crops grown on a garden plot which had been exclusively treated with residential compost for 6 yr. This study was conducted under actual field condi