That is interesting, I never got any precipitation early on with room temp EA (during tail end of winter in the shed) however the EA may not have been cold enough, may have been a EA saturation issue or too many impurities.

Out of curiosity what percentages and time have you got your modified Tek down to?

I've found with this approach more water in the dissolving stage before basing seems to really effect color of freebase extract yet it doesn't represent purity in contrast with lab results (B vs C). You can get quiet a whitish precipitation with the standard tek, however, extra clean up steps make it more tan (but produce a clearer signal in the LCMS). I've also have not bothered with sodium carb or ammonia washes at the end with the last filter which could produce a even whiter product.

But not crystal white, which is intriguing Loveall.

It does seem EA is quite selective, I have had runs when harmala citrate has crystalized but this was with a CaCl2 dry before salting. Makes me think if an optimal ratio of water to paste was worked out citrate crystals would form over goo.

This was tested (sample C) a chemical dry and mini A/B at the end was performed, however lab results did not vary enough to be considered an issue (and as previously mentioned came out more impure by look but produced a cleaner signal). Which I found strange.

I wonder if a straight to base with calcium hydroxide, boiling EA pull and freeze precipitate could work??? Harmala cruystals straight up? then a quick ammonia or sodium carb wash???

Could be the quickest Tek to date. Your thoughts?

Either case solid work Loveall. Look forward to hearing what comes from it.

I unfortunately have had no time to experiment and contribute at the moment.