乙酰丙酸

Mass

MS-NW-0460          
4-oxovaleric acid
C5H8O3              (Mass of molecular ion:    116)

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

      14.0       1.0
      15.0       5.9
      18.0       2.9
      26.0       1.9
      27.0       7.8
      28.0       4.5
      29.0       7.9
      31.0       1.0
      39.0       1.5
      41.0       1.2
      42.0       4.6
      43.0     100.0
      44.0       2.6
      45.0       6.5
      55.0       9.2
      56.0      27.9
      57.0       1.9
      61.0       1.4
      71.0       2.1
      73.0       5.9
      74.0       1.6
      98.0       1.5
      99.0       2.2
     101.0       3.1
     116.0       2.4

Assign. Shift(ppm) A 10.4 B 2.773 C 2.613 D 2.205

     Hz     ppm     Int.

   1114.65   2.790    168
   1108.40   2.774    318
   1101.68   2.757    237
   1051.33   2.631    332
   1045.68   2.617    258
   1044.62   2.614    425
   1038.36   2.599    202
    881.35   2.206   1000