Kojic acid

Mass

MS-NW-1943          
5-hydroxy-2-hydroxymethyl-4-pyrone
C6H6O4              (Mass of molecular ion:    142)

   Source Temperature: 200 °C
   Sample Temperature: 120 °C
   Direct, 75 eV

      14.0       1.7
      15.0       1.2
      17.0       1.2
      18.0       5.6
      25.0       1.1
      26.0       3.2
      27.0       8.1
      28.0       5.4
      29.0      26.9
      30.0       7.0
      31.0      12.4
      37.0       2.0
      38.0       4.1
      39.0      22.8
      40.0       3.7
      41.0       5.5
      42.0       6.9
      43.0       6.4
      44.0       3.8
      53.0       5.5
      54.0       1.5
      55.0      13.2
      56.0       2.5
      57.0      18.9
      58.0       4.7
      59.0       1.7
      66.0       1.1
      67.0      11.2
      68.0       9.6
      69.0      46.3
      70.0       2.9
      71.0       2.7
      83.0       2.4
      84.0       3.7
      85.0      10.2
      86.0       1.1
      87.0       1.0
      95.0       1.4
      96.0       1.9
      97.0       3.0
     111.0       1.2
     113.0      34.9
     114.0       2.2
     140.0       5.7
     141.0       1.2
     142.0     100.0
     143.0       7.1
     144.0       1.1