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

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