甘氨酸酐

Mass

MS-NW-4997          
2,5-piperazinedione
C4H6N2O2            (Mass of molecular ion:    114)

   Source Temperature: 200 °C
   Sample Temperature: 150 °C
   Direct, 75 eV

      14.0       1.5
      15.0       1.4
      18.0       3.5
      27.0       4.9
      28.0      19.5
      29.0      12.2
      30.0     100.0
      31.0       2.7
      40.0       1.1
      41.0       2.4
      42.0      11.2
      43.0      10.2
      44.0       2.5
      56.0       2.7
      57.0       1.2
      58.0       1.9
      59.0       1.2
      71.0      18.1
      86.0       2.7
     104.0       1.3
     114.0      27.7
     115.0       1.5
     132.0       1.0

Assign. Shift(ppm) A 8.00 B 3.346

     Hz     ppm     Int.

   3199.71   8.007     37
   1337.16   3.346   1000