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  • 1 Bureau of Geology Mineral Resources Laboratory of No. 2 Regional Geological Surveying Party Henan Xuchang, Henan (China)
  • | 2 Bureau of Geology and Mineral Resources Center of Rock and Mineral Analysis Jiangxi Nanchang, Jiangxi (China)
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Abstract  

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.