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Acta Chimica Sinica ›› 1979, Vol. 37 ›› Issue (2): 151-156. Previous Articles     Next Articles

大量铌、钽、钛中微量锆的分离和测定

曹诗倜, 许惠文, 佘国利, 葛德春   

  1. 冶金工业部矿冶研究所
  • 投稿日期:1978-02-24 发布日期:2013-06-03

THE SEPARATION AND DETERMINATION OF MICROAMOUNT OF ZIRCONIUM IN PRESENCE OF LARGE QUANTITIES OF NIOBIUM, TANTALUM AND TITANIUM

CAO SHI-TI, XU HUI-WEN, SHE GUO-LI, GE DE-CHUN   

  1. Institute of Mining and Metallurgy, Ministry of Metallurgy
  • Received:1978-02-24 Published:2013-06-03

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The extraction of micro-amount of zirconium from 30 ml 5N H2SO4~2N HNO3 solution which containd 100mg of Nb (V),2g of citrio acid, 2~4 ml 30% H2O2 and 0.4~1g of (NH4)2SO4 by means of 0.05M 1-phenyl-3-methyl-4-benzoylpy razolone-5 (PMBP) solution in benzene was investigated.