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Use of 1,3-diaminepropane-3-propyl grafted onto a silica gel as a sorbent for flow-injection spectrophotometric determination of copper (II) in digests of biological materials and natural waters.
de Moraes SV, Brasil JL, Milcharek CD, Martins LC, Laranjo MT, Gallas MR, Benvenutti EV, Lima EC. de Moraes SV, et al. Spectrochim Acta A Mol Biomol Spectrosc. 2005 Nov;62(1-3):398-406. doi: 10.1016/j.saa.2005.01.007. Spectrochim Acta A Mol Biomol Spectrosc. 2005. PMID: 16257741