2010•Metallurgical AnalysisRequires access

Determination of trace rare earth elements in phosphate ore by inductively coupled plasma atomic emission spectrometry

Long Zhiqi

Abstract

After chemical pretreatment of alkali melting,dissolving and enriching,pure liquid of rare earth elements could be gained.The simultaneous determination of rare earth elements(La,Ce,Pr,Nd,Sm,Eu,Gd,Tb,Dy,Ho,Er,Tm,Yb,Lu,Y) in the obtained solution was fulfilled by inductively coupled plasma atomic emission spectrometry.The optimum wavelength which had little interference with the results was obtained by testing the interference of the coexistent elements.The rare earth elements in phosphate ore was determined with calibration curve method.The results obtained by this method are consistent with those of ICP-MS.It can meet the requirement of daily analytical work.

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Key concepts: Inductively coupled plasma, Inductively coupled plasma mass spectrometry, Rare earth, Chemistry, Analytical Chemistry (journal), Alkali metal, Dissolution, Inductively coupled plasma atomic emission spectroscopy