Abstract
Ion-exchanger phase Spectrophotometry withp-nitrochlorophosphonazo (CPApN) has been developed for the determination of scandium. The linear range is 1–8 μg 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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Hsu, CG., Xu, Q. & Pan, JM. Determination of trace scandium by ion-exchanger phase spectrophotometry withp-nitrochlorophosphonazo. Mikrochim Acta 126, 83–86 (1997). https://doi.org/10.1007/BF01242666
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DOI: https://doi.org/10.1007/BF01242666