2,3,4-三羟基苯甲酸

Mass

MS-NW-2166          
2,3,4-trihydroxybenzoic acid
C7H6O5 (H2O)        (Mass of molecular ion:    170)

   Source Temperature: 200 °C
   Sample Temperature: 140 °C
   Direct, 75 eV

      17.0       5.2
      18.0      25.1
      26.0       1.0
      27.0       1.9
      28.0       3.8
      29.0       3.7
      37.0       2.6
      38.0       4.6
      39.0      13.4
      40.0       5.3
      41.0       1.0
      42.0       3.3
      43.0       2.1
      44.0       5.3
      45.0       2.0
      48.0       1.0
      49.0       1.2
      50.0       3.9
      51.0       7.2
      52.0       3.1
      53.0       8.1
      54.0       1.0
      55.0       3.0
      62.0       1.8
      66.0       2.6
      67.0       5.3
      68.0      17.2
      69.0       2.7
      77.0       1.9
      78.0       4.7
      79.0       5.0
      80.0       2.2
      95.0       8.3
      96.0       8.3
      97.0       1.4
     106.0      16.3
     107.0       2.5
     108.0       1.9
     123.0       8.8
     124.0      25.6
     125.0       2.6
     126.0       6.5
     151.0       4.1
     152.0     100.0
     153.0      10.4
     154.0       1.2
     170.0      40.6
     171.0       3.2

Assign. Shift(ppm) A *1 11.4 B *1 9.8 C *1 8.5 D 7.208 E 6.397

     Hz     ppm     Int.

   3926.27   9.825     24
   3413.09   8.541     28
   2885.50   7.221    929
   2881.10   7.210     28
   2876.71   7.199   1000
   2561.52   6.410    881
   2558.11   6.401     28
   2557.13   6.399     30
   2552.73   6.388    941