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Citation: Yuan Fu, Qi Wendi. DETERMINATION OF TRACE RARE EARTH IN HIGH PURE METALLIC PRASEODYMIUM BY INDUCTIVELY COUPLED PLASMA ATOMIC EMISSION SPECTROMETRY[J]. Chinese Journal of Applied Chemistry, ;1993, 10(1): 92-94. shu

DETERMINATION OF TRACE RARE EARTH IN HIGH PURE METALLIC PRASEODYMIUM BY INDUCTIVELY COUPLED PLASMA ATOMIC EMISSION SPECTROMETRY

Yuan Fu ,
Qi Wendi

1.
Changchun Institute of Applied Chemistry, Academia Sinica, 130022 Changchun

Received Date: 23 December 1991
Available Online: 19 March 1992

A spectrophotometric method for the direct simultaneous determination of five trace rare earth in high pure metallic praseodymium is described. The ethanol sample solution was introduced into the plasma for desolvation. The effect of matrix concentration on detection limits,and the calculation and correction of spectral interferences in ICP-AES have been investigated. For the sample solution containing 5 mg/mL of Pr,the limits of determination were 0.002% for La,Nd and Sm,0.003 for Ceand 0.0005% for Y. The accuracies of the determinations were satisfactory and the relative standard deviations were in the range of 1.2~6.2%.
- praseodymium,
- inductively coupled plasma,
- spectral interference,
- desolvation
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