Determination of traces of tantalum in geological materials after preconcentration on a polyurethane foam sorbent

  • Xiong Zhaochun
  • Peng Zhengying
  • Sun Lingfang


The sorption of tantalum by PU foam is quantitative in 1.2M hydrochloric acid containing 0.135M ammonium fluoride, and can be used for preconcentration of traces in rocks, soils and sediments.


Ammonium Physical Chemistry Foam Inorganic Chemistry Fluoride 
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Copyright information

© Akadémiai Kiadó 1990

Authors and Affiliations

  • Xiong Zhaochun
    • 1
  • Peng Zhengying
    • 1
  • Sun Lingfang
    • 2
  1. 1.Laboratory of No. 2 Regional Geological Surveying PartyBureau of Geology Mineral ResourcesXuchang, Henan(China)
  2. 2.Center of Rock and Mineral AnalysisBureau of Geology and Mineral ResourcesNanchang, Jiangxi(China)

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