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Detection method and detection device of special drugs

  • US 7,002,145 B2
  • Filed: 01/14/2004
  • Issued: 02/21/2006
  • Est. Priority Date: 03/31/2003
  • Status: Active Grant
First Claim
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1. A special drug detection method, comprising:

  • a step of applying a vibration to a check target,a step of absorbing, as a sample gas, the air on surface of or in proximity to said check target,a step of ionizing said absorbed sample gas,a first analysis step of analyzing masses of ions of said ionized sample gas thereby to acquire mass spectrums thereof,a first judgment step of judging whether or not ions having a first characteristic m/z value are present on the basis of said mass spectrums acquired at said first analysis step,a second analysis step of performing a tandem mass spectrometry in correspondence with a judgment result acquired at said first judgment step, anda second judgment step of judging whether or not ions having a second characteristic m/z value are present on the basis of mass spectrums acquired by said tandem mass spectrometry.

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