Monoethyl maleate

Mass

MS-NW-0532          
ethyl hydrogen maleate
C6H8O4              (Mass of molecular ion:    144)

   Source Temperature: 260 °C
   Sample Temperature: 180 °C
   Reservoir, 75 eV

      14.0       1.3
      15.0       3.1
      18.0       3.6
      19.0       1.1
      25.0       3.3
      26.0      31.4
      27.0      22.4
      28.0       4.1
      29.0      24.9
      30.0       2.0
      31.0      28.1
      41.0       1.1
      42.0       1.4
      43.0       4.9
      44.0       2.0
      45.0      17.4
      46.0       5.3
      47.0       1.2
      53.0       4.4
      54.0      28.6
      55.0       7.2
      56.0       1.1
      71.0       3.9
      72.0       2.2
      81.0       1.0
      82.0       6.2
      98.0       5.4
      99.0     100.0
     100.0      11.4
     101.0       1.1
     125.0       1.4
     126.0      16.8
     127.0      30.1
     128.0       9.1
     143.0       3.8
     145.0       1.0