4-氟-3-硝基苯甲酸

Mass

MS-KW-0569          
4-fluoro-3-nitrobenzoic acid 
C7H4FNO4            (Mass of molecular ion:    185)

   Source Temperature: 240 °C
   Sample Temperature: 150 °C
   Reservoir, 75 eV

      17.0       1.6
      18.0       7.5
      28.0       2.9
      29.0       1.0
      30.0      48.0
      31.0       3.6
      37.0       2.5
      38.0       2.2
      39.0       2.8
      44.0       1.5
      45.0       6.3
      46.0       1.5
      49.0       1.2
      50.0      13.9
      51.0      10.0
      53.0       2.5
      55.0       1.1
      56.0       1.9
      57.0      25.3
      58.0       1.1
      61.0       3.6
      62.0       3.7
      63.0       7.2
      64.0       1.2
      68.0      11.6
      69.0       5.8
      71.0       3.3
      73.0       2.9
      74.0      11.6
      75.0      16.7
      76.0       1.9
      79.0       2.2
      81.0       4.3
      82.0       6.3
      83.0      72.4
      84.0       4.2
      91.0       1.5
      92.0       3.5
      93.0      14.8
      94.0      33.6
      95.0       8.9
      99.0      20.9
     100.0       1.2
     107.0       2.0
     109.0       1.6
     110.0       7.5
     111.0       4.1
     121.0       3.1
     122.0      21.5
     123.0       2.0
     127.0       4.1
     137.0       2.3
     138.0       2.0
     139.0       8.0
     140.0       1.2
     141.0       4.3
     155.0      30.4
     156.0       2.5
     168.0      12.5
     169.0       5.3
     185.0     100.0
     186.0      11.1
     187.0       1.5

Assign. Shift(ppm) A 8.555 B 8.314 C 7.714

     Hz     ppm     Int.

   3424.84   8.567    988
   3422.55   8.562   1000
   3417.52   8.549    976
   3415.23   8.543    998
   3331.30   8.333    588
   3329.17   8.328    580
   3327.03   8.323    643
   3324.74   8.317    594
   3322.61   8.312    619
   3320.47   8.306    605
   3318.33   8.301    604
   3316.05   8.295    538
   3093.42   7.738    960
   3084.72   7.716    946
   3082.43   7.711    998
   3073.74   7.689    877