Effects of Stabilizers and Water Chemistry on Arsenate Sorption by Polysaccharide-Stabilized Magnetite Nanoparticles

@inproceedings{Liang2012EffectsOS,
  title={Effects of Stabilizers and Water Chemistry on Arsenate Sorption by Polysaccharide-Stabilized Magnetite Nanoparticles},
  author={Qiqi Liang and Dongye Zhao and Tianwei Qian and Kimberly Freeland and Yucheng Feng},
  year={2012}
}
Magnetite nanoparticles were synthesized with starch and sodium carboxymethyl cellulose (CMC) as a stabilizer, and tested for enhanced arsenate removal. Starch at ≥0.04 wt % or CMC at ≥0.005 wt % stabilized 0.1 g/L (as Fe) of the nanoparticles. While CMC-stabilized magnetite displays a highly negative zeta (ζ) potential, starch-stabilized magnetite shows a nearly neutral surface. Increasing the starch concentration from 0 to 0.04 wt % doubles the arsenate uptake, yet the nanoparticles remain… CONTINUE READING

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