Very hot nps should be avoided for 2 main reasons.
Reason number one:
Very hot nps tends to extract alot of junk (fats and such). I've noted this temperature to be near 54-57C using napthalene. Extracting at room temperature is adequate.
Reason number 2:
Your nps assumably had a high vapor pressure. This also means it evaporates quickly. Your solvent may over pressurize during mixing or a significant amount may be lost while it cools down.
Thanks for the heads up 1ce I've done pulls at a lower temp before and never got a result like this one . When I say very hot it was around 70/75 c. With the fat content being low in mrb I thought I'd give it a try .
Also it was a freeze precip , this was off 4 pulls with 50ml fresh nps for each pull, gona see if there's any thing left to pull with as I'm sure there's more goodies in there. I'm not too fusy about using the oil/fats as they also hit the spot ;-)
So if you heat the nps it lowers the yield? Damn! Oh well there's plenty there for now :d
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