Calix(6)arene carboxylate derivative for solvent extraction separation of iron(III)

  • Khandwe R
  • Khopkar S
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Abstract

Hexaacetatocalix(6)arene was used for the solvent extraction of iron(III). About 7.5 x 10-2M extractant was used at pH 7.0 for the quantitative extraction of iron(III). The metal from the organic phase was stripped with 1.0 M hydrochloric acid and determined spectrophotometrically as its thiocyanate complex at 480 nm. Iron(III) was separated from large excesses of alkali and alkaline earths in the ratio 1:20. The transition and main group elements were tolerated in the ratio 1:10. The method was extended for the analysis of iron from its mineral, alloy and pharmaceutical preparation. The method is reproducible with SD ± 1.10%.

Author-supplied keywords

  • Analysis of alloy
  • Iron (III)
  • Mineral and pharmaceutical samples
  • Separation
  • Solvent extraction calix(6)arene
  • Spectrophotometry

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Authors

  • R. M. Khandwe

  • S. M. Khopkar

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