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ICP-AES Determination of 8 Component Elements in Hydrogen-Storage Alloy

Xiong Xiao-yan

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Abstract

Analytical conditions,including the acidity of sample solution,elimination of matrix interference and choice of analytical spectral lines,for the ICP-AES determination of 8 component elements(Ni,La,Mn,Al,Co,Pr,Nd and Ce) were studied and optimized.Matrix interferences were eliminated by the matching method in the preparation of calibration curves.In the analysis of substantial hydrogen storage alloy by the proposed method,values of RSD′s(n=10) obtained for the 8 elements mentioned above were in the range of 0.25%-0.71%.

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What this paper is about

Analytical conditions,including the acidity of sample solution,elimination of matrix interference and choice of analytical spectral lines,for the ICP-AES determination of 8 component elements(Ni,La,Mn,Al,Co,Pr,Nd and Ce) were studied and optimized.Matrix interferences were eliminated by the matching method in the preparation of calibration curves.In the analysis of substantial hydrogen storage alloy by the proposed method,values of RSD′s(n=10) obtained for the 8 elements mentioned above were in the range of 0.25%-0.71%.

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Available abstract

Analytical conditions,including the acidity of sample solution,elimination of matrix interference and choice of analytical spectral lines,for the ICP-AES determination of 8 component elements(Ni,La,Mn,Al,Co,Pr,Nd and Ce) were studied and optimized.Matrix interferences were eliminated by the matching method in the preparation of calibration curves.In the analysis of substantial hydrogen storage alloy by the proposed method,values of RSD′s(n=10) obtained for the 8 elements mentioned above were in the range of 0.25%-0.71%.

Key concepts: Alloy, Inductively coupled plasma atomic emission spectroscopy, Matrix (chemical analysis), Analytical Chemistry (journal), Hydrogen storage, Calibration, Materials science, Standard addition

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