Heavy metals evaluation in soils of irrigated oasis of Mendoza Province: I. Total concentrations of Zn, Pb, Cd and Cu.
作者： M. F. Filippini , L. Martí , S. Troilo , C. Salcedo , A. Drovandi
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摘要: There is no information regarding the presence of trace elements. total and available, related to use soils in irrigated oasis Mendoza, Argentina. The main objective this work, was measure content lead (Pb), cadmium (Cd), zinc (Zn) copper (Cu) surface soil layer (025cm) different . They were grouped seven types, according utilitarian classification: (acronyms Spanish): virgin (SV); shoulder (SB); vicinity shoulders (SVB); intensive agriculture (SAI); agricultural areas with anti-hail rocket system (SLAG); affected by Industrial activity (SI); urban (Su). On a 200 superficial samples, hot acid digestion performed; on extracts, Pb, Cd, Zn Cu measured atomic absortion spectrometry (AAS). A statistical analysis results performed, showing that highest levels Cd detected SAI, mean values 39.3 2.5 mg kg-1 respectively. Pb present SI, value 80.6 kg-1, while SU soils, 740 kg-1. Mendoza city, higher population density had Zn, y content. concentrations are below argentinian legislation most can
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