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Abstract
DPASV measurements of complexation capacity of seawater samples collected from the Tyrrhenian Sea during the period December 1981 ‐ May 1982 are reported. The data analysis was performed by the direct least squares method implemented on the computer. The differences between this method and that of linear regression commonly reported in the literature are outlined. In particular, the method presented here allows consideration of the errors in the experimental measurements as well as calculation of the uncertainties in the estimates of complexation capacity (Lt) and conditional stability constant (Kc) parameters. The results show that the Lt values for waters of the Tyrrhenian Sea range from 0.84–10‐7 mol(Cu)l‐1 to 2.97.107 mol(Cu)l‐1, while difficulties arise in attributing an environmental significance to Kc. This is to be related to the high error connected with its estimation through the titration method by DPASV.
Notes
To whom correspondence should be addressed