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Determination of Niobium in Polymetallic Nodules by 5_Br_PADAP Spectrophotometry[J]. Rock and Mineral Analysis, 1997, (3): 180-182.
Citation: Determination of Niobium in Polymetallic Nodules by 5_Br_PADAP Spectrophotometry[J]. Rock and Mineral Analysis, 1997, (3): 180-182.
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Determination of Niobium in Polymetallic Nodules by 5_Br_PADAP Spectrophotometry

    Abstract
  • Determination of Nb in polymetallic nodules by 5_Br_PADAP spectrophotometry is reported in this paper. The interference components of Fe, Mn and Si in the samples are separated by precipitation with tannin_sodium silica_animal gel. The factors which lead
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