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   _____    ______               ___      _  __  
  / ___//  /_   _//   ____      / _ \\   | |/ // 
  \___ \\   -| ||-   |    \\   | / \ ||  | ' //  
  /    //   _| ||_   | [] ||   | \_/ ||  | . \\  
 /____//   /_____//  |  __//    \___//   |_|\_\\ 
`-----`    `-----`   |_|`-`     `---`    `-` --` 
                     `-`

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Text this: Simple flow injection colorimetric system for determination of paraquat in natural water