A little new to FASA...
Ok SWIM did it once, about 10 months ago on a small test sample, of pre-naphtaed bark... and he got a few ice white shards, he never did anything with.
Phlus has been most kind with advice and tek, even sent him some fumaric acid... but he just do not seem able to duplicate this results... getting to the point where its embarasing to keep asking things...
So this time a few pulls were done on two bottles with 30g MHRB each and combined, then FASA was added, probably way too much as he does not realy know how much is enough, last time it seemed to wash pretty clean with some acetone, he said.
Anyhow, this time around with the 60g of bark, he ended up with 2g of white small salt xtals, (Which did not cling to the sides, also a few drops of yellow goo in the bottom,, everthting was seperated by pouring from dish to dish evaporating the last drops, untill I had a dish with white xtals and a small one with some yellowish "butter", which dried pretty fast to about the consistancy of regular freebase.
Ok, so SWIM realised the yield was way too high, and suspected that some fumaric acid may have deposited, so he did some acetone washes (the first time out of stupidity with fasa - just including it for completion sake), bulk was reduced quite a bit but still seemed very high honestly he normaly just does naphta pulls so he is used to small yields.
At this point swim had about 700mg left. He combined this with an equal wheight baked bicarbonate of soda... if fizzed a litte when adding the bit of water required to mix it, but he was able to work it down to the consistancy of wet sports field chalk.
Phlux suggested some more acetone washes, it started comming out pretty clean by about the 5th one...
Now what SWIM has is what looks like way too much spice for the amount of extractio/bark done... also it looks like crushed asprin, not crystaly at all, its basicaly white even after mixing in the dried yellow stuff (the yellow went with the acetone pulls into an evap dish).
Is this supposed to be freebase...?
Is there any health issues related to smokeing maybe unused sodium carbonate in the mix?
Would one proceed to the heptane step next to make nice xtals? I'm getting 100ml tommorrow.
Or would one disolve into naphta and fp first?
A little steering will be appreciated... he has been staring at the dish for 4 days now, not knowing what to do next without messing it up (further?)/