Transformation of potentially toxic lead to crystalline Pb (NO3)2


  • Ulises Alejandro Villalón López Faculty of Chemical Sciences and Engineering, UABC. Calzada Universidad, 14418, Industrial Park Tijuana International, 22390, Tijuana, Baja California, Mexico.
  • María Guadalupe Moreno Armenta Center for Nanosciences and Nanotechnology, UNAM. Km. 107 Carretera Tijuana-Ensenada, CP 22800, Ensenada, Baja California, Mexico.
  • Arturo Barrera Rodríguez University of Guadalajara, University Center of the Ciénega, Av. Universidad, Number 1115, Col. Linda Vista, Apdo. Postal 106, Ocotlán Jalisco, Mexico.
  • Eduardo Rogel Hernández Faculty of Chemical Sciences and Engineering, UABC. Calzada Universidad, 14418, Industrial Park Tijuana International, 22390, Tijuana, Baja California, Mexico.
  • Juan Manuel Quintana Melgoza Faculty of Chemical Sciences and Engineering, UABC. Calzada Universidad, 14418, Industrial Park Tijuana International, 22390, Tijuana, Baja California, Mexico.



Toxic residual lead, Chemical synthesis, Lead nitrate product.


The accumulation of lead in the environment is a cause of health problems in humans. The mean lethal dose reported in mg/kg for Pb, Pb(NO3)2 and PbO is 400, 2250 and 2000, respectively. Due to the high toxicity of metallic lead with respect to lead nitrate, a methodology has been developed to transform residual lead into lead nitrate, whose toxicity is five times lower than metallic lead. On the other hand, lead nitrate can be a precursor for the synthesis of materials with potential industrial application. The synthesis of Pb(NO3)2 is carried out by mixing the residual metallic lead and 15.7 molar nitric acid in a proportion of reagents [1:4]. Subsequently, the mixture is subjected to magnetic stirring to dissolve the lead and form a white precipitate, dried at 110 ° C for 1 h obtaining an experimental yield of 99 %. The synthesized material is characterized by X–ray diffraction, scanning electron microscopy and energy dispersion spectroscopy. Likewise, this methodology has a favorable impact on ecosystems, since lead contamination will be diminished.


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SEM micrograph of Pb (NO3) 2 synthesized from metallic lead.



How to Cite

Villalón López, U. A., Moreno Armenta, M. G., Barrera Rodríguez, A., Rogel Hernández, E., & Quintana Melgoza, J. M. (2019). Transformation of potentially toxic lead to crystalline Pb (NO3)2. REVISTA DE CIENCIAS TECNOLÓGICAS, 2(3), 106–112.



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