3-甲基-2-丁酮

Mass

MS-NW-0051          
3-methyl-2-butanone
C5H10O              (Mass of molecular ion:     86)

   Source Temperature: 230 °C
   Sample Temperature:  55 °C
   Reservoir, 75 eV

      14.0       1.6
      15.0       9.8
      26.0       3.1
      27.0      19.3
      28.0       3.1
      29.0       3.5
      37.0       1.4
      38.0       2.9
      39.0      16.3
      40.0       2.1
      41.0      26.2
      42.0       4.9
      43.0     100.0
      44.0       2.4
      45.0       1.3
      50.0       1.3
      51.0       1.1
      57.0       3.7
      71.0       6.9
      86.0      22.6
      87.0       1.0

Assign. Shift(ppm) A 1.111 B 2.141 C 2.584

     Hz     ppm     Int.

    240.00   2.680     46
    233.00   2.602     65
    226.13   2.525     55
    219.31   2.449     29
    191.63   2.140    951
    102.50   1.145   1000
     95.56   1.067    864
     89.56   1.000     24