并五苯

Mass

MS-IW-3109          
pentacene
C22H14              (Mass of molecular ion:    278)

   Source Temperature: 170 °C
   Sample Temperature: 180 °C
   Direct, 75 eV

     112.0       1.8
     113.0       2.3
     124.0       1.9
     124.5       1.1
     125.0       4.4
     125.5       1.1
     126.0       3.5
     137.0       4.4
     137.5       1.6
     138.0       9.3
     138.5       3.0
     139.0      22.8
     139.5       5.6
     250.0       1.9
     252.0       1.3
     274.0       4.8
     275.0       2.1
     276.0      14.9
     277.0       5.4
     278.0     100.0
     279.0      24.9
     280.0       4.5
     294.0       1.3