Mass

MS-IW-5213          
isovaleraldehyde semicarbazone
C6H13N3O            (Mass of molecular ion:    143)

   Source Temperature: 140 °C
   Sample Temperature: 120 °C
   Direct, 75 eV

      15.0       3.0
      16.0       3.2
      17.0      16.2
      18.0      27.3
      26.0       2.4
      27.0      24.1
      28.0      14.4
      29.0      17.2
      30.0      19.8
      31.0       5.5
      32.0       4.9
      38.0       2.0
      39.0      17.3
      40.0       4.2
      41.0      65.6
      42.0      25.8
      43.0      98.2
      44.0      31.5
      45.0       4.6
      50.0       1.1
      51.0       1.6
      52.0       1.5
      53.0       3.6
      54.0       5.3
      55.0      17.6
      56.0      20.3
      57.0      51.9
      58.0     100.0
      59.0       4.6
      60.0      75.4
      61.0      50.1
      62.0       1.1
      66.0       1.1
      67.0       3.0
      68.0      15.7
      69.0       9.8
      70.0       2.3
      71.0      10.4
      72.0       2.4
      75.0       1.6
      81.0       1.2
      82.0       5.4
      83.0       6.0
      84.0      47.4
      85.0      37.6
      86.0      15.7
      99.0       2.7
     100.0       8.8
     101.0      40.7
     102.0       2.0
     110.0       1.0
     111.0       5.1
     125.0       1.7
     128.0      10.6
     143.0      22.3
     144.0       3.8