TLC Separation of Rare Earths Using Di(2-ethylhexyl)dithiophosphoric Acid as Complexing Reagent

被引：0
作者：
Maria-Loredana Soran
Teodor Hodișan
Maria Curtui
Dorina Casoni
机构：
[1] National Institute of Research and Development for Isotopic and Molecular Technology,
[2] Faculty of Chemistry and Chemical Engineering,undefined
来源：
JPC – Journal of Planar Chromatography – Modern TLC | 2005年 / 18卷
关键词：
Rare earths; TLC; Di(2-ethylhexyl)dithiophosphoric acid; Silica gel H impregnated with ammonium nitrate;
D O I：
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中图分类号：
学科分类号：
摘要：
The thin-layer chromatographic (TLC) separation of rare earths has been studied using di(2-ethylhexyl)dithiophosphoric acid as complexing agent in the mobile phase. Silica gel H and silica gel H impregnated with 2.5 M NH4NO3 were investigated as stationary phases. The TLC behavior of rare earths on these adsorbents was compared using different mixed mobile phases. The best results were obtained by use of ethyl methyl ketone—tetrahydrofuran—di(2-ethylhexyl)dithiophosphoric acid (1 M), 6.8 + 3.2 + 0.4 (v/v), as mobile phase. Double development was used to achieve better separation of consecutive rare earths.
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页码：160 / 163
页数：3
相关论文
共 66 条
  • [1] Robarts K(1991)undefined Analyst 116 1247-1274
  • [2] Starr P(1997)undefined J. Chromatogr. A 789 301-321
  • [3] Patsalides E(1999)undefined J. Chromatogr. A 850 213-228
  • [4] Sarzanini C(2003)undefined J. Anal. Chem. 58 706-719
  • [5] Mantasti E(2001)undefined Anal. Chim. Acta 439 247-253
  • [6] Sarzanini C(1995)undefined Ganko 90 103-108
  • [7] Krasikov VD(1994)undefined J. Chromatogr. A 679 387-391
  • [8] Garcia-Valls R(1998)undefined J. Chromatogr. A 804 223-231
  • [9] Hrdlicka A(1982)undefined Anal. Chem. 54 2552-2556
  • [10] Perutka J(2001)undefined Anal. Chim. Acta 428 133-142
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