CIS-BUTENEDIOIC ANHYDRIDE

Mass

MS-NW-1870          
maleic anhydride
C4H2O3              (Mass of molecular ion:     98)

   Source Temperature: 240 °C
   Sample Temperature: 180 °C
   Reservoir, 75 eV

      12.0       1.7
      13.0       3.3
      14.0       1.3
      24.0       3.0
      25.0      12.7
      26.0      95.5
      27.0       2.8
      28.0       6.2
      29.0       2.6
      36.0       1.4
      37.0       1.6
      41.0       3.6
      44.0       4.1
      52.0       2.3
      53.0      10.2
      54.0     100.0
      55.0       3.5
      98.0      20.3

Parameter ppm Hz D(A) 7.048

     Hz     ppm     Int.

   2114.40   7.048   1000