Citation: Jin Nan Wang, Ai Min Li Yang Zhou, Li Xu. Study on the influence of humic acid of different molecular weight on basic ion exchange resin's adsorption capacity[J]. Chinese Chemical Letters, ;2009, 20(12): 1478-1482. doi: 10.1016/j.cclet.2009.07.013
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In this paper, humic acid (HA) was ultra-filtered into different molecular weight sections and was characterized by multielementanalysis, UV254/TOC, FT-IR and three-dimensional fluorescence spectrometric.Since humic acids of different molecular weights have different hydrophilic and molecular size, the maximum adsorption capacity of basic ion exchange resins appears on the humic acid whose molecular weight ranges from 6000 to 10,000 Da.
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Keywords:
- Humic acid,
- Molecular weight,
- Basic ion exchange resin,
- Adsorption
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