2,3,4,5-四甲基-2-环戊烯酮

Mass

MS-NW-9943          
2,3,4,5-tetramethyl-2-cyclopentenone
C9H14O              (Mass of molecular ion:    138)

   Source Temperature: 220 °C
   Sample Temperature: 160 °C
   Reservoir, 75 eV

      27.0       8.9
      28.0       2.3
      29.0       6.2
      39.0      11.5
      40.0       1.8
      41.0      14.9
      43.0       4.3
      50.0       1.4
      51.0       3.8
      52.0       2.0
      53.0       9.3
      54.0       4.6
      55.0      17.4
      56.0       5.2
      57.0       1.8
      63.0       1.0
      65.0       3.0
      66.0       1.0
      67.0      21.6
      68.0       2.6
      69.0       1.6
      77.0       5.2
      78.0       1.1
      79.0       6.1
      80.0       1.7
      81.0       8.8
      82.0       2.6
      83.0       6.1
      91.0       2.8
      93.0       4.2
      95.0      50.4
      96.0       4.3
     105.0       1.2
     109.0       4.6
     110.0      18.2
     111.0       1.8
     123.0     100.0
     124.0       9.2
     137.0       3.9
     138.0      53.2
     139.0       6.5