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

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發送短信 : Simple flow injection colorimetric system for determination of paraquat in natural water