Browsing by Author "Schirado, T."

Now showing items 1-3 of 3

    • Evidence for movement of heavy metals in a soil irrigated with untreated wastewater 
      Schirado, T.; Vergara F., Inés; Schalscha B., Eduardo; Pratt, P. F. (American Society of Agronomy, 1986)
      A Vertisol irrigated for over five decades with an untreated municipal wastewater had elevated levels of DTPA extractable Cd, Co, Cu, Mn, Ni, and Zn in the cultivated layer of the soil as compared to lower layers. Total ...
    • Fractionation of Zn, Cu, Cr, and Ni in wastewaters, solids and in soil. 
      Schalscha B., Edduardo; Morales, M.; Ahumada Torres, Aída Inés de Lourdes; Schirado, T.; Pratt, P. F. (Universita degli Studi di Pisa, Istituto di Chimica Agraria, 1980)
      The application of wastewaters and sludge to agricultural land as a means of disposing of the wastes has been practiced for many decades. Many recent reports (DOWDY and LARSON, 1975; LUND et al., 1976; PAGE, 1974; SCHALSCHA ...
    • Reactivity of chromium(III) and cobalt(III) acetylacetonato complexes 
      Schirado, T.; Gennari, E.; Merello, R.; Decinti, A.; Bunel Torrealba, Sergio (1971)
      A comparative study of the ligand reactivity at the 3-position in trisacetylacetonates of Cr(III) and Co(III), by means of nitration and Vilsmeier-Haack reactions, was attempted. The sequence Co > Cr in both reactions ...