Guanine

Mass

MS-NW-8150          
guanine
C5H5N5O             (Mass of molecular ion:    151)

   Source Temperature: 190 °C
   Sample Temperature: 290 °C
   Direct, 75 eV

      17.0       1.9
      18.0      10.1
      27.0       6.5
      28.0      17.0
      29.0       2.1
      38.0       1.2
      39.0       1.3
      41.0       1.3
      42.0       4.8
      43.0      29.9
      44.0       9.3
      52.0       1.5
      53.0      10.8
      54.0      17.1
      55.0       4.0
      56.0       1.4
      66.0       1.0
      68.0       3.4
      69.0       7.0
      70.0       1.9
      75.0       1.6
      79.0       1.9
      80.0       2.3
      81.0       6.9
      82.0       3.5
      83.0       1.9
      96.0       2.0
      97.0       1.2
     106.0       2.9
     107.0       1.2
     108.0       8.4
     109.0      19.0
     110.0      18.5
     111.0       1.2
     123.0       1.2
     124.0       1.3
     134.0       8.8
     135.0       5.4
     151.0     100.0
     152.0       8.0