An-Najah National University

Nidal Zatar

 

 
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  • Friday, January 1, 1982
  • Automatic spectrophotometric method for the determination of europium in mixtures with yttrium and other lanthanides
  • Published at:Fresenius' Journal of Analytical Chemistry, Volume 313, Number 4 / January, 1982
  • An automatic spectrophotometric method for the determination of europium in the presence of yttrium and other lanthanides is described. The method is based on a modification of a recently devised manual procedure consisting of the reduction, on a Jones reductor, of europium(III) to europium(II) which is used to reduce molybdophosphate to a molybdenum blue. The method is capable of analysing solutions containing 10–400 mgrg of europium per ml at a rate of 20 samples per hour. There is no interference from yttrium or other lanthanides and the method is suitable for application to europium determination after a group separation. When applied to mineral samples coefficients of variation between 2.5 and 3.8% were obtained.

     
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Nidal Abdul-Jabbar Mohammd Zatar
Analytical Chemistry
 
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