Figure5. Stop-FlowGC for optimizing the separationof coeluting
compounds: (a) no stop-flowpulses; (b) pulseat 28s; (c) pulses at 28s&43s.
BandPosition (m)
(a)
(b)
(c)
Time (s)
0
10
20
30
40
50
0
3.5
7
10.5
14
0
3.5
7
10.5
14
0
3.5
7
10.5
14
A B C
D
Figure courtesy of R. Sacks, University of Michigan
