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Thin-layer chromatographic separation of rhodium(III) and iridium(III, IV) by anion exchange

Dünnschicht-chromatographische Trennung von Rhodium(III) und Iridium(III, IV) durch Anionenaustausch

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Zusammenfassung

Das dünnschicht-chromatographische Verhalten von Rh(III), Ir(III) und Ir(IV) wurde in H2O2-haltiger 5 M salzsaurer Lösung auf DEAE-sowie ECTEOLA-Cellulose untersucht. In Kombination mit einer einfachen chemischen Vorbehandlung der Probe (mit LiCl, HCl, H2O2) kann eine wirkungsvolle Trennung von Rh(III) und Ir(III) oder Ir(IV) über einen weiten Konzentrationsbereich erzielt werden (Rh: Ir=1∶100 bis 100∶1).

Summary

The TLC behaviour of Rh(III), Ir(III) and Ir(IV) has been investigated in the two systems consisting of DEAE-cellulose or ECTEOLA-cellulose and 5 M HCl media containing H2O2. These systems, especially in combination with a simple chemical pretreatment of samples (with LiCl, HCl and H2O2), can effectively be applied to the complete separation of mixtures of Rh(III) and Ir(III) or Ir(IV) in a wide range of ratios and amounts (Rh: Ir=1∶100 to 100∶1).

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Authors and Affiliations

  1. Dept. of Chemistry, School of Med., Kyorin Univ., Shinkawa, Mitaka, Tokyo, Japan

    Tomoshige Morita, Takeshi Hamada & Koji Ishida

Authors
  1. Tomoshige Morita
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  2. Takeshi Hamada
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  3. Koji Ishida
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Morita, T., Hamada, T. & Ishida, K. Thin-layer chromatographic separation of rhodium(III) and iridium(III, IV) by anion exchange. Z. Anal. Chem. 309, 377–379 (1981). https://doi.org/10.1007/BF00473721

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  • DOI: https://doi.org/10.1007/BF00473721

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