Determination of the Feasibility of Using the Portable X-ray Fluorescence (XRF) Analyzer in the Field for Measuring the Lead Content of Sieved Soil

Released on by Andrea M. Armstrong
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  • Determination of the Feasibility of Using the Portable X-ray Fluorescence (XRF) Analyzer in the Field for Measuring the Lead Content of Sieved Soil Book Detail

  • Author : Andrea M. Armstrong
  • Release Date : 2002
  • Publisher :
  • Genre :
  • Pages : 134
  • ISBN 13 :
  • File Size : 94,94 MB
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Determination of the Feasibility of Using the Portable X-ray Fluorescence (XRF) Analyzer in the Field for Measuring the Lead Content of Sieved Soil by Andrea M. Armstrong PDF Summary

Book Description: Soil samples collected in areas with potential lead contamination are generally analyzed using flame atomic absorption spectrometry (FAAS), inductively coupled plasma emission spectrometry (ICP-AES) or other laboratory methods. Laboratories, generally prepare sample for analyses by drying, and sieving to a homogenous fraction followed by acid digestion, all of which usually takes several days. Previous work has indicated that a field-portable x-ray fluorescence (XRF) analyzer is capable of producing soil lead results that are comparable to results by FAAS or ICP-AES. There would be considerable savings in time and effort if a field method, including sieving, could be developed which does not require laboratory digestion and analysis. Results could, therefore, be reported in a timelier manner to residents and others shortly after sample collection. The goal of this study was to determine the practicality of using the portable XRF analyzer in the field for analysis of lead on field-sieved soil samples. The practicality of using the XRF was determined by the amount of time it took to prepare and analyze the samples in the field and by the ease in which the procedure could be accomplished on site. Other objectives of the study included determining the effects of moisture on sieving the soil. When performing the field analysis, soil samples were desegregated and ground using a mortal and pestle and sieved through a No. 120 sieve pan to obtain particles

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