Citation:
Yan Yan, Ren Ying Changchun. HIGHER DERIVATIVE ABSORPTION SPECTRA OF RARE EARTH IONS IN PERCHLORIC ACID AND THEIR ANALYTICAL APPLICATION Ⅵ.DIRECT DETERMINATION OF CERIUM,PRASEODYMIUM AND NEODYMIUM IN LICHT RARE EARTH-ALUMINIUM ALLOY BY DERIVATIVE SPECTROPHOTOMETRY[J]. Chinese Journal of Applied Chemistry,
;1990, 7(1): 58-61.
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A direct determination method of cerium,praseodymium and neodymium in the light rare earth-aluminium alloy by using higher-derivative spectrophotometry in perchloric acid solution is proposed. The content of lanthanum is determined by substraction. The results were in good agreement with those determined by x-ray fluorescence method. The method is rapid, simple and accurate.
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