3,3',4,4'-Biphenyltetracarboxylic acid

Mass

MS-IW-9620          
3,3',4,4'-biphenyltetracarboxylic acid
C16H10O8            (Mass of molecular ion:    330)

   Source Temperature: 190 °C
   Sample Temperature: 190 °C
   Direct, 75 eV

      17.0       2.4
      18.0      12.1
      28.0       6.4
      44.0       2.3
      50.0       8.3
      51.0       1.1
      61.0       2.5
      61.5       2.0
      62.0       8.6
      63.0       1.9
      73.0       1.5
      74.0      18.7
      74.5       1.5
      75.0      26.5
      75.5       2.9
      76.0       2.2
      85.0       1.0
      86.0       2.1
      87.0       2.3
      89.0       6.2
      98.0       6.8
      99.0       4.4
     100.0      23.2
     101.0       2.2
     103.0      13.5
     103.5       2.1
     110.0       1.2
     111.0       1.6
     122.0       1.7
     123.0       1.8
     124.0       1.2
     149.0       2.6
     150.0      30.7
     151.0       4.1
     178.0      46.0
     179.0       6.7
     222.0      15.3
     223.0       2.5
     250.0     100.0
     251.0      16.5
     252.0       2.1
     294.0      40.3
     295.0       7.1
     296.0       1.0