Mass

MS-IW-3121          
1,7-dimethyl-9,10-phenanthrenequinone
C16H12O2            (Mass of molecular ion:    236)

   Source Temperature: 140 °C
   Sample Temperature: 160 °C
   Direct, 75 eV

      39.0       1.9
      50.0       1.2
      51.0       2.5
      62.0       1.7
      63.0       5.2
      64.0       1.6
      69.5       1.2
      74.0       1.9
      75.0       3.2
      76.0      12.0
      76.5       2.0
      77.0       2.7
      81.5       1.1
      82.0       1.4
      82.5       2.9
      86.0       1.3
      87.0       2.3
      88.0       5.4
      88.5       1.4
      89.0      16.0
      89.5       2.8
      90.0       1.4
      98.0       1.1
     103.0       3.6
     103.5       1.4
     104.0       3.0
     113.0       1.0
     115.0       2.2
     117.0       1.4
     118.0       3.6
     126.0       1.6
     127.0       1.3
     128.0       1.1
     139.0       3.9
     150.0       2.1
     151.0       4.7
     152.0       8.4
     153.0       2.1
     163.0       4.5
     164.0       3.4
     165.0      45.9
     166.0       6.5
     176.0       6.7
     177.0       5.7
     178.0      22.1
     179.0      20.6
     180.0       6.1
     189.0       1.0
     191.0       1.5
     193.0       4.9
     194.0       1.0
     206.0       1.0
     207.0      22.7
     208.0     100.0
     209.0      16.6
     210.0       1.5
     221.0       1.2
     222.0       4.7
     223.0       1.0
     235.0       1.1
     236.0      74.3
     237.0      13.2
     238.0       3.1
     250.0       4.1