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- W2391809043 abstract "In this paper nanoscale-silica were prepared by the hydrolysis of tetraethoxysilane(TEOS) using the sol-gel method.The specific surface area,particle size and morphology of synthesized nanoparticles were characterized with BET and TEM techniques.By means of potentiometric titration techniques,the surface acid-base properties of SiO2 were investigated.Testing results demonstrated that the synthesized silica possess very high adsorption capacity for H+.In addition,the influence of various variables such as the solution pH,quantities of SiO2 for adsorption of Cu2+ were studied.It was revealed that the adsorption percentage at silica surfaces change dramatically under pH value of 3~5 and at the pH equals 4.5 and the concentration of silica is more than 10 g/L,the adsorption of copper ions at silica surface reaches an optimum state." @default.
- W2391809043 created "2016-06-24" @default.
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- W2391809043 date "2009-01-01" @default.
- W2391809043 modified "2023-09-26" @default.
- W2391809043 title "The synthesis of nanoscale silica and its adsorption behaviors for Cu~(2+)" @default.
- W2391809043 hasPublicationYear "2009" @default.
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