Dimethyl maleate

Mass

MS-NW-0060          
dimethyl maleate
C6H8O4              (Mass of molecular ion:    144)

   Source Temperature: 230 °C
   Sample Temperature:  55 °C
   Reservoir, 75 eV

      15.0      10.4
      18.0       1.2
      26.0       5.4
      27.0       1.6
      28.0       1.1
      29.0       2.6
      39.0       1.2
      41.0       1.0
      53.0       3.1
      54.0       5.0
      55.0       2.3
      59.0      17.8
      82.0       2.1
      85.0       9.6
     113.0     100.0
     114.0       8.0
     115.0       1.0

Parameter ppm Hz D(A) 3.725 D(B) 6.204

     Hz     ppm     Int.

   1861.20   6.204    333
   1117.49   3.725   1000