Page 469 - Handbook of Materials Failure Analysis
P. 469
3 Results 467
FIGURE 17.17
Residue on the surface of a valve block unit from the failed medical oxygen resuscitation
device.
FIGURE 17.18
Pyrolysis-GC/MS chromatogram at 700 °C of the residue on the surface of the valve block unit
from the failed medical oxygen resuscitation device. Pyrolysis-GC/MS apparatus 2,
chromatographic conditions 2. Peak identification: 1—tetrafluoroethylene; 2—benzene;
3—hexamethylcyclotrisiloxane; 4—not identified; 5—styrene;
6—octamethylcyclotetrasiloxane; 7—oxazepam; 8—triazolam; 9—not identified;
10—phenytoin; 11—clozapine; 12—nordazepam; 13—levomepromazine; 14—not
identified; 15—clomipramine; 16—buprenorphine.
