Monobutyl maleate

Mass

MS-NW-1985          
butyl hydrogen maleate
C8H12O4             (Mass of molecular ion:    172)

   Source Temperature: 250 °C
   Sample Temperature: 180 °C
   Reservoir, 75 eV

      13.0       1.5
      14.0       1.0
      15.0       2.7
      17.0       1.1
      18.0       5.4
      19.0       1.9
      24.0       1.6
      25.0       6.6
      26.0      61.1
      27.0      35.1
      28.0      10.9
      29.0      35.7
      31.0      61.7
      32.0       1.4
      33.0       6.3
      37.0       1.5
      38.0       1.5
      39.0      12.2
      40.0       3.5
      41.0      75.3
      42.0      25.6
      43.0      46.9
      44.0       3.8
      45.0       5.5
      52.0       1.0
      53.0       5.9
      54.0      58.7
      55.0      16.6
      56.0     100.0
      57.0      66.9
      58.0       2.8
      71.0       1.5
      72.0       1.6
      73.0       1.9
      75.0       3.0
      82.0       4.4
      98.0      13.5
      99.0      91.9
     100.0      17.2
     101.0       1.4
     117.0      33.0
     118.0       1.7
     126.0       1.1
     127.0       1.4
     154.0       3.2
     155.0      10.3
     156.0       2.3
     173.0       6.8