I'm not sure what the first part does that just running a ballon at 445 won't do. You will get all of the 290 stuff in that run.
I don't want to derail this thread, but this isn't necessarily true. It depends on the particular compound (THC, CBN) and how long the cannabis is heated. Just reaching (or exceeding) a compound's boiling point does not immediately release all of it. Full release takes time, that's why ABV retains some of the active components. Most of us will stop vaporizing when the taste degrades, and that's usually not long enough to get everything. For example, every study I've read that examines the component percentages remaining after vapourizing has found some—including THCA, which is converted into THC at temperatures lower than we use for vapourizing. Full decarboxylation takes up to an hour at 115°C (240°F).
If anyone wants to discuss this then we need start another thread or find an existing one.
Edit: I've copied this post to the thread discussing the effects occurring during vaporization.
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