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    STUDIA AMBIENTUM - Issue no. 1-2 / 2009  
         
  Article:   ATOMIC ABSORPTION SPECTROMETRY (AAS) VS. ATOMIC EMISSION SPECTROMETRY WITH INDUCTIVELY COUPLED PLASMA (ICP) IN MONITORING HEAVY METALS IN SOIL AND VEGETATION.

Authors:  ANA ANGELA CORDOŞ, DUMITRU RISTOIU. 		 
       
         
  Abstract:  In the current social context of environmental issues have taken on particular importance. A growing number of studies show the devastating effects of pollution on the environment, quality of life and health, and the need for knowledge and monitoring of environmental factors. Making monitoring systems require detailed technical and economic studies in order to get through their efficiency and maximum quality with minimum costs. This paper has proposed to prove the correctness of the choice of atomic absorption spectroscopy as a technique used in systems for monitoring heavy metals soil and vegetation. Study was conducted on a total of 33 deep-surface soil samples and vegetation simultaneously analyzed by atomic absorption spectrometry (AAS) and atomic emission spectrometry with inductively coupled plasma (ICP). To compare the results have been used in specific processing techniques and statistical indicators, namely indicators of trends and indicators of dispersion adaterilor. In addition to their a study using minimal cost-benefit argument defining the choice of method. The data processing showed that, while PCI is a technique more sensitive to the needs of monitoring and nilelurile concentrations of heavy metals in soils, ASA is the preferred technique.

Key words: monitoring, soil-vegetation, heavy metals, AAS, ICP
  
         
     
         
         
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