Your browser doesn't support javascript.
loading
Show: 20 | 50 | 100
Results 1 - 6 de 6
Filter
Add more filters










Database
Publication year range
1.
Arq Bras Cardiol ; 102(3 Suppl 1): 1-61, 2014 03.
Article in Portuguese | MEDLINE | ID: mdl-24862929
2.
Environ Pollut ; 147(3): 781-90, 2007 Jun.
Article in English | MEDLINE | ID: mdl-17218042

ABSTRACT

Three experiments were conducted to optimize the use of ethylenediaminetetraacetic acid (EDTA) for reclaiming urban soils contaminated with trace metals. As compared to Na(2)EDTA, (NH(4))(2)EDTA extracted 60% more Zn and equivalent amounts of Cd, Cu and Pb from a sandy loam. When successively saturating and draining loamy sand columns during a washing cycle, which submerged it once with a (NH(4))(2)EDTA wash and four times with deionised water, the post-wash rinses largely contributed to the total cumulative extraction of Cd, Co, Cr, Cu, Mn, Ni, Pb and Zn. Both the washing solution and the deionised water rinses were added in a 2:5 liquid to soil (L:S) weight ratio. For equal amounts of EDTA, concentrating the washing solution and applying it and the ensuing rinses in a smaller 1:5 L:S weight ratio, instead of a 2:5 L:S weight ratio, increased the extraction of targeted Cr, Cu, Ni, Pb and Zn.


Subject(s)
Chelating Agents/chemistry , Edetic Acid/chemistry , Metals, Heavy/chemistry , Soil Pollutants/chemistry , Biodegradation, Environmental , Cadmium/chemistry , Chromium/chemistry , Cobalt/chemistry , Copper/chemistry , Lead/chemistry , Manganese/chemistry , Nickel/chemistry , Solutions/chemistry , Urbanization , Zinc/chemistry
SELECTION OF CITATIONS
SEARCH DETAIL
...