Dvap got 0.5 ml of alkaloids from a 100 gram extraction...
http://www.e-cigarette-forum.com/forum/blogs/dvap/4524-whole-tobacco-alkaloids-bit-history.html
So whatever you have, it's not WTA. Maybe a clarified NET? Would that term work?
Either way, it sounds both easy and simple to do. I'd want to know what kind of nicotine levels are in it, though. Not to put a damper on things, but you really should have tested that before using yourself and your five friends as guinea pigs.
That is such a far cry from a scientific or sound conclusion. This person did multiple washes and transfers back and forth through a variety of organic solvents. Not to mention the link you posted does not even mention the solvent/methodology used. How can you logically deduce this is some kind of standard of 100% efficiency WTA?
Here is a much more legitimate link.
http://pages.towson.edu/jsaunder/Saunders%20Publications/13.Quantitation%20of%20Major%20Tobacco%20Alkaloids%20by%20High%20Performace.pdf
As can be seen it is reasonable to expect 17 mg/gram nicotine, 22mg/gram Nornicotine, .7mg/gram Anatabine not to mention the harman and other alkaloids. This research article seems to imply tobacco contains at least 40mg alkaloids per gram dry tobacco, or a 4% yield. This allows me to draw serious question to the efficiency and methodology of others supposed claims of 'wta'.
Not to mention the huge potential variance among tobacco grades. The Drum tobacco I used is quite potent. When I used to roll my own of them they would give pack a day smokers that bummed one a serious head rush.
Finally in the quoted link is talking about a yield of '.5ml' from 100 grams of tobacco. This is VERY far from qualitative. That measurement could easily be .8 mls of a substance that weighs 3 grams/ml leaving him with a yield similar to mine. I'm not saying that is the case. Just that volume and weight just don't relate in the way you are trying to relate them.
One last point, harman and harmine alkaloids are very water soluble. If one were to do a polar/nonpolar rinse to collect alkaloids it is very possible they may wash away the harman in the nps/water rinse back and forth process.
Sorry to rant back so hard, but please lets be reasonable and scientific about our conclusions.
Sorry if this is threatening to someone who makes a huge fortune selling overpriced ejuice... But I am going to start calling this whole tobacco alkaloids via ethanol. WTAE.
There I didn't even mention significant figures or appropriate units relative to quantity.
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