Determination of trace scandium by ion-exchanger phase spectrophotometry withp-nitrochlorophosphonazo |
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Authors: | Chung-Gin Hsu Qun Xu Jiao-Mai Pan |
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Institution: | (1) Department of Chemistry, East China Normal University, 200062 Shanghai, Peoples Republic of China |
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Abstract: | Ion-exchanger phase Spectrophotometry withp-nitrochlorophosphonazo (CPApN) has been developed for the determination of scandium. The linear range is 1–8 g of scandium in 50 ml of solution, using 0.8 g of resin, with an apparent molar absorptivity of 2.76 × 105 1 mol–1 cm–1. Aluminum and rare earth elements in reasonable amounts do not interfere. The method has been applied successfully to the determination of scandium in alloys, with relative standard deviations of 2–4%. |
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Keywords: | ion-exchanger phase Spectrophotometry scandium determination p-nitrochlorophosphonazo |
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