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2010 | 8 | 3 | 602-606
Tytuł artykułu

Determination of europium by using the chemical oscillating system of Ce(IV)-KBrO3-acetone-oxalic acid-H2SO4

Treść / Zawartość
Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
A sensitive and convenient method for the determination of trace europium ions using an oscillating chemical reaction involving Ce(IV) - KBrO3 - acetone - oxalic acid - H2SO4 was proposed. The results indicated that the changes in oscillating period (T) was linearly proportional to the negative logarithmic concentration of Eu3+ (-log C) in the range of 1.41 × 10−8 ˜ 1.41 × 10−4 mol L−1 (r = 0.9982) with a detection limit of 1.04 × 10−9 mol L−1. The recoveries were limited to the range of 99.5% to 100.8%. Under the same conditions, other rare earth ions did not interfere with the determination of Eu3+. In addition, a perturbation mechanism was also discussed briefly. [...]
Wydawca

Czasopismo
Rocznik
Tom
8
Numer
3
Strony
602-606
Opis fizyczny
Daty
wydano
2010-06-01
online
2010-04-25
Twórcy
autor
  • College of Chemistry & Chemical Engineering, Northwest Normal University, Lanzhou, 730070, P. R. China, jzgao@nwnu.edu.cn
  • College of Chemistry & Chemical Engineering, Northwest Normal University, Lanzhou, 730070, P. R. China
autor
  • College of Chemistry & Chemical Engineering, Northwest Normal University, Lanzhou, 730070, P. R. China
autor
  • College of Chemistry & Chemical Engineering, Northwest Normal University, Lanzhou, 730070, P. R. China
autor
  • College of Chemistry & Chemical Engineering, Northwest Normal University, Lanzhou, 730070, P. R. China
Bibliografia
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Typ dokumentu
Bibliografia
Identyfikatory
Identyfikator YADDA
bwmeta1.element.-psjd-doi-10_2478_s11532-010-0025-z
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