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 __   __   _    _     ______     ___      ______  
 \ \\/ // | || | ||  /_____//   / _ \\   /_   _// 
  \   //  | || | ||  `____ `   / //\ \\    | ||   
  / . \\  | \\_/ ||  /___//   |  ___  ||  _| ||   
 /_//\_\\  \____//   `__ `    |_||  |_|| /__//    
 `-`  --`   `---`    /_//     `-`   `-`  `--`     
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Text this: Arsenic removal from water by magnetic Fe1-xFe2O4 and Fe1-yNiy Fe2O4 nanoparticles