Effects of ionic strength on the chromophores of dissolved organic matter.

  title={Effects of ionic strength on the chromophores of dissolved organic matter.},
  author={Yuan Gao and Mingquan Yan and Gregory V Korshin},
  journal={Environmental science & technology},
  volume={49 10},
This study examined effects of variations of the ionic strength (IS) on the absorbance of dissolved organic matter (DOM). The measurements performed for DOM of allochthonous (Suwannee River humic and fulvic acids, SRHA and SRFA) and autochthonous (Pony Lake fulvic acid, PLFA) origin showed that increases of IS (which was controlled by additions of sodium perchlorate) from 0.001 to 0.3 mol/L were accompanied by increases of the absorbance of DOM. The extent of the increase of DOM absorbance… CONTINUE READING
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