2,3-戊二酮

Mass

MS-NW-4711          
2,3-pentanedione
C5H8O2              (Mass of molecular ion:    100)

   Source Temperature: 260 °C
   Sample Temperature: 170 °C
   Reservoir, 75 eV

      14.0       2.1
      15.0       8.7
      18.0       1.0
      26.0       4.0
      27.0      16.4
      28.0       3.5
      29.0      61.0
      30.0       1.5
      39.0       1.1
      42.0       4.9
      43.0     100.0
      44.0       3.8
      45.0       1.9
      55.0       1.1
      57.0      48.0
      58.0       1.9
     100.0      11.9
     101.0       1.2

Assign. Shift(ppm) A 2.775 B 2.339 C 1.091

     Hz     ppm     Int.

    259.63   2.899     51
    259.13   2.894     46
    252.06   2.815    154
    245.25   2.739    131
    244.81   2.734    175
    237.94   2.657     70
    237.44   2.652     59
    209.50   2.340   1000
    104.63   1.169    184
     97.56   1.090    365
     90.13   1.007    151
     89.75   1.003     76