Molecular weight characteristics of humic substances from different environments as determined by size exclusion chromatography and their statistical evaluation.

@article{Perminova2003MolecularWC,
  title={Molecular weight characteristics of humic substances from different environments as determined by size exclusion chromatography and their statistical evaluation.},
  author={Irina V Perminova and Fritz Hartmann Frimmel and Alexey Kudryavtsev and Natalia A. Kulikova and Gudrun Abbt-Braun and Sebastian Hesse and Valery S Petrosyant},
  journal={Environmental science & technology},
  year={2003},
  volume={37 11},
  pages={2477-85}
}
Recorded molecular weights (MWs) for humic substances (HS) range from a few hundred to millions of daltons. For purposes of defining HS as a specific class of chemical compounds, it is of particular importance to ascertain if this broad range of MWs can be attributed to actual variability in molecular properties or is simply an artifact of the analytical techniques used to characterize HS. The main objectives of this study were (1)to establish if a preferential range of MWs exists for HS and (2… CONTINUE READING

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