十甲基四硅氧烷

Mass

MS-IW-7192          
decamethyltetrasiloxane
C10H30O3Si4         (Mass of molecular ion:    310)

   Source Temperature: 220 °C
   Sample Temperature: 150 °C
   Reservoir, 75 eV

      45.0       3.5
      59.0       2.9
      73.0      70.9
      74.0       5.9
      75.0       3.0
     131.0       1.0
     133.0       1.9
     140.0       1.4
     147.0       1.9
     177.0       1.1
     189.0       1.8
     191.0       4.9
     193.0       1.9
     207.0     100.0
     208.0      20.8
     209.0      12.4
     210.0       1.8
     247.0       1.2
     263.0       1.2
     265.0       1.1
     279.0       3.4
     280.0       1.0
     281.0       1.8
     295.0      29.0
     296.0       8.7
     297.0       5.2
     298.0       1.1

Assign. Shift(ppm) A 0.092 B 0.046 J(SI-29,A)=6.8HZ J(SI-29,B)=7.2HZ

     Hz     ppm     Int.

     46.51   0.117     24
     44.80   0.113     27
     43.70   0.110     33
     40.41   0.102    113
     36.74   0.092   1000
     33.69   0.085    138
     28.81   0.073     28
     26.00   0.066     23
     22.22   0.056     72
     18.43   0.047    914
     14.89   0.038     97
     12.08   0.031     24
     11.35   0.029     21