Separation and indirect ultraviolet detection of ferrous and trivalent iron ions by using ionic liquids in ion chromatography.

@article{Wen2019SeparationAI,
  title={Separation and indirect ultraviolet detection of ferrous and trivalent iron ions by using ionic liquids in ion chromatography.},
  author={Xin-Zhu Wen and Hong Yu and Ya-jie Ma},
  journal={Journal of separation science},
  year={2019}
}
A method of simultaneous separation and indirect ultraviolet detection of different valence iron ions Fe2+ and Fe3+ by using ionic liquids as mobile phase additives and ultraviolet absorption reagents on a cation exchange column functionalized with carboxylic acid group was developed. The effects of ionic liquids, organic acids, detection wavelength, etc on separation and detection of Fe2+ and Fe3+ were investigated and the mechanism was discussed. The pyridinium and imidazolium ionic liquids… Expand
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