n-十八烷基脲

Mass

MS-IW-0837          
octadecylurea
C19H40N2O           (Mass of molecular ion:    312)

   Source Temperature: 170 °C
   Sample Temperature: 150 °C
   Direct, 75 eV

      18.0      19.2
      27.0       3.3
      28.0       3.1
      29.0      11.6
      30.0     100.0
      31.0       4.8
      39.0       2.2
      41.0      20.8
      42.0       5.0
      43.0      30.3
      44.0      47.1
      45.0      10.8
      54.0       1.2
      55.0      13.1
      56.0       5.6
      57.0      10.8
      58.0       3.1
      59.0       3.8
      61.0       8.0
      67.0       1.9
      68.0       1.3
      69.0       8.5
      70.0       3.9
      71.0       4.5
      72.0       3.8
      73.0      31.9
      74.0      19.2
      81.0       1.2
      82.0       1.9
      83.0       6.7
      84.0       2.5
      85.0       3.3
      86.0       7.9
      87.0      12.3
      88.0       8.1
      96.0       1.8
      97.0       5.9
      98.0       2.9
      99.0       9.5
     100.0       5.5
     101.0       9.9
     102.0       7.4
     110.0       1.4
     111.0       2.8
     112.0       4.9
     113.0       3.6
     114.0       3.0
     115.0      12.8
     116.0       7.6
     124.0       1.0
     125.0       1.5
     126.0       2.4
     127.0       1.1
     128.0       2.4
     129.0      12.1
     130.0       4.1
     140.0       1.0
     142.0       2.4
     143.0       6.9
     144.0       2.8
     156.0       2.2
     157.0       5.6
     158.0       2.4
     170.0       2.0
     171.0       6.0
     172.0       2.1
     184.0       2.0
     185.0       5.0
     186.0       2.3
     198.0       2.1
     199.0       4.6
     200.0       2.0
     212.0       2.0
     213.0       4.3
     214.0       2.0
     226.0       1.7
     227.0       4.1
     228.0       1.7
     240.0       1.8
     241.0       3.8
     242.0       1.7
     254.0       1.1
     255.0       3.6
     256.0       1.5
     268.0       3.1
     269.0       7.1
     270.0       2.9
     283.0       2.7
     284.0       2.2
     312.0      22.3
     313.0       5.8