2,3-吡嗪二羧酸

Mass

MS-NW-1186          
2,3-pyrazinedicarboxylic acid
C6H4N2O4            (Mass of molecular ion:    168)

   Source Temperature: 200 °C
   Sample Temperature: 160 °C
   Direct, 75 eV

      12.0       1.1
      16.0       2.3
      18.0       2.8
      24.0       1.0
      25.0       3.0
      26.0      39.5
      27.0       3.4
      28.0      21.5
      29.0       1.7
      38.0       3.4
      39.0       3.7
      39.5       1.2
      40.0       3.1
      41.0       3.1
      42.0       2.7
      44.0      49.0
      45.0      12.5
      50.0       2.5
      51.0      17.0
      52.0      51.7
      53.0      47.1
      54.0       2.5
      67.0       1.3
      68.0       2.4
      69.0       1.3
      70.0       5.9
      77.0       2.5
      78.0      15.1
      79.0      15.2
      80.0     100.0
      81.0       5.1
      97.0       1.5
     106.0      12.8
     107.0       1.9
     124.0      20.2
     125.0       1.3