Amino acids as precursors of trihalomethane and haloacetic acid formation during chlorination.

@article{Hong2009AminoAA,
  title={Amino acids as precursors of trihalomethane and haloacetic acid formation during chlorination.},
  author={Hua Chang Hong and Ming-hung Wong and Yan Liang},
  journal={Archives of environmental contamination and toxicology},
  year={2009},
  volume={56 4},
  pages={638-45}
}
Twenty amino acids were chlorinated and examined for the formation of trihalomethane (THM) and haloacetic acid (HAA). The amino acids exhibited a high Cl(2) demand (3.4-10 mg Cl(2) mg(-1) C) but low THM formation (<4.19 microg mg(-1) C) except for tryptophan and tyrosine (45.8 - 147 microg mg(-1) C). Large variation in HAA yield occurred among the amino acids (from not detectable to 106 microg mg(-1) C). One group of amino acids, possessing chain structures, exhibited a slow increase in HAA… CONTINUE READING
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