Authors: RAMIREZ AA GAZQUEZ D DELAROSA IM MORENO F

Citation: Aa. Ramirez et al., SPECTROPHOTOMETRIC DETERMINATION OF LEAD BY EXTRACTION OF THE MIXED-METAL COMPLEX PB(II)-CA-PURPURIN (1,2,4-TRIHYDROXYANTHRAQUINONE), Analytical letters, 27(8), 1994, pp. 1595-1611