@article{2000, title={Column Preconcentration and Second Derivative Spectrophotometric Trace Determination of Scandium in Standard Biological and Synthetic Samples Using 1-(2-Thiazolylazo)-2-naphthol}, author={Anju BHALOTRA and Bal K. PURI}, journal={Analytical Sciences}, volume={16}, number={5}, pages={507-511}, year={2000}, doi={10.2116/analsci.16.507} }