2,7-Dihydroxy-1,4-naphthoquinone

Mass

MS2003-01558WA      
2,7-dihydroxy-1,4-naphthoquinone
C10H6O4             (Mass of molecular ion:    190)

   Source Temperature: 250 °C
   Sample Temperature:  20 °C
   Direct, 70 eV

      28.0       1.4
      37.0       1.1
      38.0       1.9
      39.0       2.9
      41.0       1.4
      42.0       2.0
      50.0       2.7
      51.0       5.5
      52.0       1.3
      53.0       4.2
      61.0       2.2
      62.0       5.6
      63.0      12.1
      64.0       4.3
      65.0       5.2
      66.0       1.5
      67.0       5.5
      69.0       6.5
      74.0       2.6
      75.0       1.5
      76.0       1.2
      77.0       3.5
      78.0       3.1
      81.0       2.7
      89.0       2.2
      91.0       1.1
      92.0      12.8
      93.0      12.5
      94.0       1.0
     105.0       9.7
     106.0       5.8
     117.0       1.1
     120.0       5.7
     121.0      74.2
     122.0       5.7
     133.0       2.1
     134.0      11.8
     135.0       1.1
     145.0       3.0
     149.0       1.4
     161.0       1.5
     162.0      35.3
     163.0       3.6
     190.0     100.0
     191.0      10.9
     192.0       1.6