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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. shu

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

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

Received Date: 4 March 1989
Available Online: 13 June 1989
Fund Project:

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.
- derivative absorption spectroscopy,
- rare earth,
- aluminium alloy,
- spectrop-hotometry
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