أرسل هذا في رسالة قصيرة: Determination of linear alkylbenzene sulfonates in water samples by liquid chromatography-UV detection and confirmation by liquid chromatography-mass spectrometry

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