are lots of small pulls better than one big pull

[buk]

Swim has always done small pulls with naptha of about 50ml but the marsofold tek suggest just doing one 300ml pull.

Is there a difference?

with a 500g extraction is 300ml reccomended? and what amount is best to evap it down to before freeze precip?

thanks,

 

[۩]

I would stick with 50 or even 90 (90 is 3 shots), 300 seems like overkill,
pull until you do not notice the solvent changing colors, then combine and evaporate to at least half the original volume.... then freeze precip.

 

[Xt]

To answer the question

are lots of small pulls better than one big pull

Yes.

Magic info:
For an STB
0.4ml naphtha per gram of bark, per pull.
Five pulls is ideal.
Thus for a 100g bark extraction... 100 x 0.4ml = 40ml per pull.
40ml x 5 = 200ml total.

Do the pulls, combine total pulls, evaporate to 50% volume (outside), then freeze precipitate.

 

[soulfood]

I do one big pull.

The things is if you're going to do one big pull, you have to really mean it. I use 1-200ml and I agitate hard and often for days. Then I heat the last time I agitate and separate damn quickly...

Then cool damn slowly

Also when doing an STB there's no point doing this unless the bark's been soaking for at least 2 days.

 

[Xt]

According to this cat, there are many ways to remove his permeable organic barrier.

 

[endlessness]

FAQ: Can I make one big pull instead of a few smaller ones?

FAQ: How big should the pulls be / how much to pre-evaporate before freezing?

 

[buk]

Thanks for all the info. Sorry should have checked the faq.