Using spectrophotometric titrations to characterize humic acid reactivity at environmental concentrations.

@article{Janot2010UsingST,
  title={Using spectrophotometric titrations to characterize humic acid reactivity at environmental concentrations.},
  author={No{\'e}mie Janot and Pascal E. Reiller and Gregory V Korshin and M F Benedetti},
  journal={Environmental science & technology},
  year={2010},
  volume={44 17},
  pages={
          6782-8
        }
}
Potentiometric titration is a common method to characterize dissolved organic matter (DOM) reactivity. Because of the sensitivity of pH electrodes, it is necessary to work with very high DOM (>1 g/L) concentrations that are unrealistic compared to those found in natural waters (0.1 to 100 mg/L). To obtain proton binding data for concentrations closer to environmental values, spectroscopic titration methodology is a viable alternative to traditional potentiometric titrations. Spectrophotometric… CONTINUE READING

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