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 \ \\/ //  |  ___|| | |  | ||   / _ \\   / ____|| 
  \   //   | ||__   | |/\| ||  / //\ \\ / //---`' 
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 `-`  --`  `-----`  `-`   `-` `-`   `-`   `----`

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Text this: Surface charge and metal ion adsorption on an H-type activated carbon: Experimental observation and modeling simulation by the surface complex formation approach