what can be run in gc like big hump

[jiangds06]

so you will not see any peaks but a big hump.

[Steve Reimer]

If all you want is a be hump-o-gram try motor oil. If you want a hump with spikes on it try diesel.

[jiangds06]

If all you want is a be hump-o-gram try motor oil. If you want a hump with spikes on it try diesel.

so some food grade fat can also do the same trick?

[Consumer Products Guy]

so some food grade fat can also do the same trick?

No, triglycerides like food grade fat will typically just give three or four peaks by gas chromatography. And specialty high temperature columns must be used typically for these.