Skip to main content

2 Result(s)

within G. R. Castro Remove this filter Analytical Chemistry Remove this filter

and

  1. No Access

    Article

    Tangential-flow ultrafiltration: a versatile methodology for determination of complexation parameters in refractory organic matter from Brazilian water and soil samples

    In this work the copper(II) complexation parameters of aquatic organic matter, aquatic and soil humic substances from Brazilian were determined using a new versatile approach based on a single-stage tangential...

    L. P. C. Romão, G. R. Castro, A. H. Rosa… in Analytical and Bioanalytical Chemistry (2003)

  2. No Access

    Article

    Determination of Cu, Ni, and Zn in fuel ethanol by FAAS after enrichment in column packed with 2-aminothiazole-modified silica gel

    This work describes the synthesis and characterization of 2-aminothiazole-modified silica gel (SiAT), as well as its application for preconcentration (in batch and column technique) of Cu(II), Ni(II) and Zn(I...

    P. S. Roldan, I. L. Alcântara, G. R. Castro… in Analytical and Bioanalytical Chemistry (2003)