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    STUDIA CHEMIA - Issue no. 1-2 / 2000  
         
  Article:   TRACE ELEMENT MEASUREMENT BY ICP-AES FOR THE ROUTINE MULTI-ELEMENT ANALYSIS OF LICHEN AND SOIL SAMPLES FOR ENVIRONMENTAL POLLUTANT STUDIES.

Authors:  ANA-MARIA RUSU, KATALIN BARTÓK, VICTOR DIN, WILLIAM PURVIS, WILLIAM DUBBIN.
 
       
         
  Abstract:  Inductively-coupled plasma atomic emission spectrometry (ICP-AES) is a very important technique for the determination of trace element concentrations in environmental samples. Lichen and soil samples were collected from different polluted sites around Zlatna town, Romania. Contaminant elements in the samples were determined by ICP-AES after extraction from the soils using DTPA and TEA mixture and digestion of the lichens in HNO3 + H2O2 mixture. Copper, Pb, Zn, Ni, Fe, Cd and S were determined in both soils and lichens. Mean and extreme values of the elements determined are listed. A certified reference material, BCR CRM 482 lichen, provided comparative data for the lichen samples. The methods described are rapid and easy to use for environmental pollution studies.  
         
     
         
         
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