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

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