• Conductimetry: A rapid alternative technique for chlorides determination in cheese 

      Aguirre-Londoño, Jessica; Aristizabal-Ferreira, Víctor Alexander; Castro-Narváez, Sandra Patricia; Ramírez-Navas, Juan S. (Pontificia Universidad Javeriana, 2019-04-10)
      The correlation of two instrumental techniques for chlorides determination in Colombian cheese, Queso Molido Nariñense (a type of white cheese), was analyzed. Potentiometry of chloride precipitation is the standard technique ...
    • Improvement of the quality of wastewater in a printing industry by physicochemical methods and Fenton treatment. 

      Morales-Lame, Ronal; Castro-Ordóñez, Oscar; Jaramillo-Aguirre, Alonso; Castro-Narváez, Sandra Patricia (Institute of Physics Publishing, 2018-12-10)
      Wastewater samples from flexographic printing machines, characterized by high coloration, low pH, high chemical oxygen demand, and low biodegradability, were subjected to primary physicochemical treatments and a subsequent ...