Determination of metals in Brazilian soils by inductively coupled plasma mass spectrometry

The concentration of metals in Brazilian soil under no-tillage (NT) and an area under native vegetation (NV) was determined by inductively coupled plasma mass spectrometry. The applied method was based on microwave-assisted acid digestion using HNO 3 , HCl, H 2 O 2 , and HF. The accuracy of the meth...

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Bibliographic Details
Published in:Environmental monitoring and assessment 2015-08, Vol.187 (8), p.535-535, Article 535
Main Authors: de Carvalho, Rui M., dos Santos, Jéssica A., Silva, Jessee A. S., do Prado, Thiago G., da Fonseca, Adriel Ferreira, Chaves, Eduardo S., Frescura, Vera L. A.
Format: Article
Language:English
Subjects:
Agricultural production
Anthropogenic factors
Arsenic
Atmospheric Protection/Air Quality Control/Air Pollution
Brazil
Cadmium
Cell division
Earth and Environmental Science
Ecology
Ecotoxicology
Environment
Environmental Management
Environmental monitoring
Environmental Monitoring - methods
Environmental Monitoring - statistics & numerical data
Gas flow
Hydrochloric acid
Hydrogen peroxide
Limestone
Mass spectrometry
Mass Spectrometry - methods
Mass spectroscopy
Metal concentrations
Metals
Metals, Heavy - analysis
Microwaves
Monitoring/Environmental Analysis
Plasma
Scientific imaging
Sediments
Soil - chemistry
Soil sciences
Soil types
Toxicity
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Summary:The concentration of metals in Brazilian soil under no-tillage (NT) and an area under native vegetation (NV) was determined by inductively coupled plasma mass spectrometry. The applied method was based on microwave-assisted acid digestion using HNO 3 , HCl, H 2 O 2 , and HF. The accuracy of the method was evaluated by analyzing two certified reference materials (BCR-142 and RS-3). The relative standard deviation for all target elements was below 8 % indicating an adequate precision and the limit of detection ranged from 0.03 μg g −1 (Cd) to 24.0 μg g −1 (Fe). The concentrations of Al, As, Ba, Cd, Cu, Fe, Mg, Mn, Ni, Pb, Sr, and Zn in the different layers (0–10, 10–20, 20–40, and 40–60 cm) were determined in two types of soils, located in Paraná State in Brazil. The soil layers analysis revealed a different behavior of metals concentrations in soil samples under NT and NV. The obtained results showed a clear impact of anthropogenic action with respect to specific metals due to many years of uncontrolled application rates of limestone and phosphate fertilizers.
ISSN:0167-6369
1573-2959
DOI:10.1007/s10661-015-4769-y