Mass

MS-IW-2293          
dihydroxymaleic acid
C4H4O6 (H2O)        (Mass of molecular ion:    148)

   Source Temperature: 160 °C
   Sample Temperature: 140 °C
   Direct, 75 eV

      12.0       1.5
      14.0       4.4
      15.0       2.7
      16.0       6.4
      17.0       4.0
      18.0      19.3
      19.0       5.0
      22.0       1.2
      28.0      14.5
      29.0      31.9
      30.0      17.4
      31.0      37.3
      32.0      12.7
      41.0       2.1
      42.0      14.7
      43.0       2.3
      44.0     100.0
      45.0       8.0
      46.0       7.7
      47.0       1.0
      56.0       1.1
      58.0      16.7
      59.0       3.3
      60.0      18.0
      64.0       1.7
      74.0       4.3
      75.0       1.3
      76.0       2.7
      77.0       1.8
      87.0       1.8
     102.0       1.1
     103.0       1.8
     104.0      10.0
     105.0       4.2
     148.0       2.7