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

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Text this: Modification of Coal Fly Ash with Dithizone for Adsorption of Ni(II) Metal Ion