On Dec 11, 2:47 am, Nigel > wrote:
> I disagree, both sets of data look like a classic second order
> quadratic response to me - and caffeine does not not suddenly become
> 100% soluble at 176 deg F, neither (in the real world) does a "wash"
> with water at boiling point take place at 212 F.

Does this mean that cold-brewed iced-tea would have less caffeine than
hot-brewed? Or does the extended steeping time (hours) allow the
caffeine to eventually dissolve in the water even though it is cold?

Alan