一水柠檬酸

Mass

MS-NW-9320          
citric acid
C6H8O7 H2O          (Mass of molecular ion:    192)

   Source Temperature: 200 °C
   Sample Temperature: 160 °C
   Direct, 75 eV

      14.0       2.1
      15.0       6.6
      17.0       4.2
      18.0      21.5
      19.0       1.3
      26.0       1.4
      27.0       4.5
      28.0      12.6
      29.0       6.9
      31.0       4.7
      37.0       1.4
      38.0       2.6
      39.0      12.4
      40.0       8.5
      41.0       4.3
      42.0      53.7
      43.0      76.1
      44.0      30.8
      45.0      18.8
      53.0       1.1
      55.0       2.6
      56.0      35.5
      57.0       4.1
      58.0       3.4
      60.0      38.3
      61.0       3.8
      67.0       1.1
      68.0       3.1
      69.0      16.9
      71.0       1.6
      74.0       1.2
      84.0      56.7
      85.0       4.2
      86.0       2.0
      87.0      61.8
      88.0       2.6
     102.0      40.2
     103.0       2.0
     105.0       1.0
     111.0      40.2
     112.0       5.3
     113.0       1.0
     115.0       4.1
     129.0     100.0
     130.0       6.4
     131.0       1.1
     133.0       1.0
     139.0       3.5
     147.0      17.1
     148.0       1.1
     157.0       1.7
     175.0       2.4

Assign. Shift(ppm) B *1 3.011 C *1 2.883 THE SOLVENT SIGNAL REMOVED. J(B,C)=-15.8HZ

     Hz     ppm     Int.

    282.75   3.158    192
    281.56   3.144     29
    271.31   3.030     34
    266.94   2.981    944
    264.38   2.952    103
    260.75   2.912   1000
    256.75   2.867     55
    256.19   2.861     47
    255.19   2.850     36
    254.56   2.843     33
    254.25   2.839     31
    253.81   2.834     29
    253.00   2.825     27
    244.94   2.735    203