Gschwend%20thesis.pdf

-168-
Figure 4-7. Gas chromatograms showing volatile compounds collected
from air, from a rest rip of that air, and from exhaustively
prestripped "blank" air. Clos.ed circles indicate
the l-chloro-n-alkane internal standar~s (5,8,16) which
are added at 1. 6 ng/l-air. C2-benzenes and 1,2,4trimethyl
benzene peaks are also indicated. The GC
column was a 0.3 mm x 20 m SE54 glass capillary column
operated at room temperature for 8 min. and then
programmed from 20-2000C at 30C/min.
,
k
1i
't