Determinations of humic substances and other dissolved organic matter and their effects on the increase of COD in Lake Biwa.

@article{Aoki2004DeterminationsOH,
  title={Determinations of humic substances and other dissolved organic matter and their effects on the increase of COD in Lake Biwa.},
  author={Shinichi Aoki and Yasuro Fuse and Etsu Yamada},
  journal={Analytical sciences : the international journal of the Japan Society for Analytical Chemistry},
  year={2004},
  volume={20 1},
  pages={159-64}
}
Humic substances and other dissolved organic matter (DOM) in Lake Biwa and the surrounding rivers were investigated to elucidate their origins and behavior. An annual increase in chemical oxygen demand (COD) has been observed in the northern basin of Lake Biwa since 1985. The concentrations of dissolved organic carbon (DOC) in the northern and southern basins of Lake Biwa were 1.7-2.4 mgC/l and 1.9-2.6 mgC/l, respectively. The DOC concentrations tended to be high in summer and low in winter… CONTINUE READING

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