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

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Text this: Application of Smartphone as a Digital Image Colorimetric Detector for Batch and Flow-based Acid-Base Titration