Citation: Dong Xiang LI, Wan Guo HOU, Shu Ping LI, Ming Tu HAO, Gao Yong ZHANG. The Isoelectric Point and the Points of Zero Charge of Fe-Al-Mg Hydrotalcite-like Compounds[J]. Chinese Chemical Letters, ;2004, 15(2): 224-227.
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The relation of the isoelectric point (IEP) and the point of zero net charge (PZNC) of the hydrotalcite-like compounds was discussed. It was found that the IEP does not equal to the PZNC and the IEP is higher than the PZNC. The structural positive charges existing in the HTlc, which cause the difference between the IEP and the PZNC. The effects of the structural positive charges of the HTlc on its IEP and PZNC are the same as the specific adsorption of metal cations.
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