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Summarized results of studies on the physical and interfacial chemistry of the Huanghe estuary are presented as follows: 1. The relationship between the exchange ratio (%) and pH for the Cu (II)-Sedi.ments of the Huanghe Estuary and that of the Cu (II)-illite system were observed to be very similar. 2. A stepwise ion/coordination particle exchange isotherm of trace metal in Huanghe estuary sediment was derived. 3. The ion/coordination particle exchange between trace metal and Huanghe Estuary sediment is analogous to the interfacial chemical characteristic of illite.
Summarized results of studies on the physical and interfacial chemistry of the Huanghe estuary are presented as follows: 1. The relationship between the exchange ratio (%) and pH for the Cu (II) -Sedi .ments of the Huanghe Estuary and that of the 2. A stepwise ion / coordination particle exchange isotherm of trace metal in Huanghe estuary sediment was derived. 3. The ion / coordination particle exchange between trace metal and Huanghe Estuary sediment is analogous to the interfacial chemical characteristic of illite.