Topic
Trace metal
About: Trace metal is a research topic. Over the lifetime, 5125 publications have been published within this topic receiving 181046 citations.
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313 citations
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TL;DR: Copper, Pb and Zn in the non-residual fractions noticeably increased in the contaminated sediments compared to those in the uncontaminated sediments, indicating a genuine concern is associated with potential transport of the contaminated Sediments downstream and enhanced solubility and mobility of trace metals in theNon-resIDual fractions.
307 citations
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01 Jan 1989
TL;DR: Lindsay et al. as mentioned in this paper showed that the soil chemistry of trace metals is rarely simple, and it is particularly obscure at deficiency levels, when even the least unavailable trace metal ions are held on specific sites whose character is difficult to establish or define, rather than in identifiable salts.
Abstract: When the main problems of trace metals in the soil were deficiencies, it was usually sufficient to know how much of an essential trace metal was “available” to an extractant, usually acetic acid, ethylene diamine tetracetic acid (EDTA), diethylene triamine pentacetic acid (DTPA), etc. (e.g., Lindsay and Norvell, 1969; Viets and Lindsay, 1973; Ministry of Agriculture, Fisheries and Food, 1981). This is fortunate because the soil chemistry of trace metals is rarely simple, and it is particularly obscure at deficiency levels, when even the least unavailable trace metal ions are held on “specific sites” whose character is difficult to establish or define, rather than in identifiable salts (Lindsay, 1979).
302 citations
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TL;DR: The present study showed that the dominant mechanism for this process of soil Fe-oxyhydroxide reduction is OM release, and OM should be systematically monitored in experimental studies dedicated to understand trace metal mobility in wetland soils.
299 citations
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TL;DR: Leaves of roadside vegetables were considered a potential source of heavy metal contamination to farmers and consumers in urban areas and it is recommended that leafy vegetables should be grown 30 m from roads in high-traffic, urban areas.
298 citations