D-Tartaric acid

Mass

MS-NW-0262          
D-(-)-tartaric acid
C4H6O6              (Mass of molecular ion:    150)

   Source Temperature: 210 °C
   Sample Temperature:   0 °C
   Direct, 75 eV

      14.0       1.3
      15.0       5.8
      18.0       3.0
      19.0      13.1
      28.0       3.6
      29.0      28.6
      30.0      14.2
      31.0      21.7
      36.0       1.0
      41.0       1.6
      42.0      12.0
      43.0      11.6
      44.0       3.0
      45.0      12.7
      46.0       1.2
      47.0       1.7
      49.0       2.8
      58.0      33.8
      59.0      22.0
      60.0       6.3
      61.0       3.7
      69.0       7.2
      70.0      22.5
      71.0       4.4
      75.0       1.7
      76.0     100.0
      77.0      18.5
      78.0       1.0
      87.0       2.6
      88.0      10.7
     105.0      20.6

Assign. Shift(ppm) B 4.740 THE SOLVENT SIGNAL REMOVED.

     Hz     ppm     Int.

    429.44   4.795     37
    428.63   4.786     40
    428.31   4.783     40
    427.38   4.772     43
    424.56   4.741   1000
    422.81   4.721     58
    419.75   4.687     25