Characterzation of colloidal and humic-bound Ni and U in the "dissolved" fraction of contaminated sediment extracts.

@article{Jackson2005CharacterzationOC,
  title={Characterzation of colloidal and humic-bound Ni and U in the "dissolved" fraction of contaminated sediment extracts.},
  author={Brian P. Jackson and James F. Ranville and Paul M. Bertsch and Andrew G. Sowder},
  journal={Environmental science & technology},
  year={2005},
  volume={39 8},
  pages={2478-85}
}
The dissolved phase of environmental aqueous samples is generally defined by filtration at 0.2 microm or even 0.45 microm. However, it is also acknowledged that colloids <0.2 microm suspended in the aqueous phase can be important for determining contaminant availability and mobility. We have used flow field-flow fractionation (FI FFF) and size exclusion chromatography (SEC) coupled to UV-absorbance (UVA) and inductively coupled plasma mass spectrometry (ICP-MS) to study the dissolved organic… CONTINUE READING

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