5,8-Dimethoxy-1,4-naphthalenedione

Mass

MS2001-00655WA      
5,8-dimethoxy-1,4-naphthoquinone
C12H10O4            (Mass of molecular ion:    218)

   Source Temperature: 190 °C
   Sample Temperature:  25 °C
   Direct, 70 eV

      15.0      13.7
      26.0       5.1
      27.0       1.1
      29.0       3.9
      30.0       1.4
      31.0       2.0
      37.0       1.0
      38.0       1.9
      39.0       7.6
      49.0       1.7
      50.0      10.3
      51.0       5.8
      52.0       2.2
      53.0      12.8
      54.0      10.8
      55.0       3.4
      61.0       6.7
      62.0      16.2
      63.0      15.3
      64.0       1.9
      65.0      10.3
      66.0       1.3
      67.0       2.5
      73.0       1.3
      74.0       8.9
      75.0      16.2
      76.0      32.2
      77.0      10.4
      78.0      12.7
      79.0       3.3
      80.0       3.4
      82.0       8.6
      86.0       2.9
      87.0       5.6
      88.0       7.9
      89.0      11.2
      90.0       4.2
      91.0      20.4
      92.0       2.6
      93.0       2.0
      98.0       1.5
     100.0       1.3
     101.0       5.8
     102.0      15.5
     103.0       9.7
     104.0      16.0
     105.0       8.1
     106.0      11.0
     107.0       1.6
     109.0       1.0
     114.0      16.7
     115.0      14.2
     116.0      10.2
     117.0       7.7
     118.0       4.1
     119.0      26.1
     120.0       2.8
     121.0       5.3
     126.0       1.8
     127.0       3.3
     129.0       4.9
     130.0       9.7
     131.0      24.9
     132.0      15.7
     133.0       9.7
     134.0      12.2
     135.0       3.0
     142.0       5.2
     143.0       8.1
     144.0       7.3
     145.0      10.8
     146.0       2.5
     147.0      21.0
     148.0       2.5
     149.0       2.7
     154.0       3.5
     155.0       4.4
     157.0       1.6
     159.0      12.5
     160.0       7.3
     161.0      22.1
     162.0       3.2
     163.0       6.1
     170.0       6.7
     171.0      20.7
     172.0      29.0
     173.0      11.3
     174.0       1.9
     175.0       9.7
     176.0       1.2
     177.0       1.1
     183.0       2.5
     187.0       3.5
     188.0       4.0
     189.0      19.6
     190.0       5.8
     199.0       4.1
     200.0       5.2
     201.0      12.3
     202.0       1.7
     203.0      13.8
     204.0       1.8
     205.0       3.5
     217.0       1.5
     218.0     100.0
     219.0      13.0
     220.0       4.9