So - are we getting it or are we not - nicotine

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tescela

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The color of WTA isolate likely arises from a combination of a lot of individual compounds, many of which arise from the typical flue-curing process, These should no more be considered defects than, for example, the ester profile of a 68F fermented ale... you wouldn't want these esters in your lager (and you'd ferment in the 40's to preclude them), but your ale wouldn't be ale without them.

This thread already gives me chemist-envy. Now you are just showing off. :p
 

tescela

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Try searching Exogenesis + auto

I tried Exogenesis + autovape before I posted the request for a link...with no results.

Exogenesis + auto returns so many results that it is overload.

I'm probably not doing the search correctly, though. For some reason, I've always had difficulty getting quality results when doing precision searches on ECF, and that points to "user error."
 

exogenesis

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Results are looking good DVap, can't see any other simple extraction method getting close somehow.

Think that snuff might be worth a try though (at least if it's air-cured, assuming that exists),
could get better efficiency, even if it's just due to massive surface area to volume of the fine grind.

Was the evidence for reduces TSNAs in WTA based on the previously posted partition coefficients ,
or did I miss something ?

tescela, fwiw this was the auto-vaper thread - it was just a bit of fun really,
no really serious science was enacted :unsure:
http://www.e-cigarette-forum.com/fo...ow-much-nicotine-destroyed-during-vaping.html

btw Kin. it's just the sale of snus that's illegal in the EU (apart from Sweden),
apparently it's legal to make them here, at least as far as I'm aware.
 
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tescela

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btw Kin. it's just the sale of snus that's illegal in the EU (apart from Sweden), apparently it's legal to make them here, at least as far as I'm aware.

Snus in the EU - Swedish Match

Sweden is definitely exempt from snus bans. It was a condition of their joining the EU.

What is odd is that recent post from a Dane in which he said that snus is sold at local shops...and Denmark is a member nation of the EU.

Also, there are prominent companies that sells Swedish snus online directly into the EU.

So, it appears there may be a legal loophole somewhere, and/or Swedish Match and other parties are blatantly flouting the ban in an attempt to force the legal battle that they believe they will ultimately win. Their strategy may be to win the battle for public opinion, at which point EU citizens will clearly see that their interests are being subverted to corporate interests...and force their governments to change the policy.

At any rate: from a practical standpoint, you can easily obtain snus in the EU.
 
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exogenesis

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It solved the big question of the time and led to WTA.

Just in terms of set up, making 'some timers, pumps and traps' actually work and achieve what big labs hadn't yet done, that was a big thing

I think DVap might take issue with the 1st statement, reckon WTA was in his mind a long time back.

Bits&Pieces - still got 'em all assembled, iirc the outstanding question was 'how much is adsorbed in inhaling',
found I couldn't 'auto-vape' myself with strong juice (for accuracy) for long to actually find out,
plus the CO2 interference with the quantification.

Never did PEG-400 'cos couldn't get it straight, to dilute the 70mg/ml nic. in PEG, for testing.

Think tescela probably has already seen that 'how much nic. destroyed...' thread already but had forgotten,
like I almost had.

Hmm, but DVap's method is not so simple - not a kitchen method. Sure it's the best, but tceight's method (essentially same, standard procedure) works well. Maybe 50% vs 60%, something like that. You have the skills to put a more definitive number on it if you like :)

I meant other methods that are simple in comparison.

Must take a closer look at tceight's method, been skimming post's a little bit recently.
 

DVap

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I still hadn't cut out the "unsafe" steps, so I wouldn't have been vaping this stuff, but here it is.

alkaloids.jpg

The earliest look at alkaloids on the forums... early Sept '09.
 

DVap

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Have a link to that post ?

First Appearance of WTA

The interesting thing was, I did the WTA extraction to show folks how little nicotine can be extracted from a known amount of tobacco, in this case, a pack of cigarettes. My discussion was along the lines of "getting the other alkaloids out would be dangerous and not worth the effort".

Once sufficient discussion had occurred, this test had my thinking pre-primed toward WTA... and it was not a stretch at all to ask myself, "how would I do this the safe/right way if my goal is to keep all the WTA's in the final liquid"?
 

kardenm

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Lovin all this research!

Where can I find tceight's method?

kinaballo: what are "wine / beer finings"??

Other than physical form, is there a significant chemical difference between snus and loose tobacco? Will the water soak/extraction produce an equivalent liquid using finely ground tobacco vs snus? Can anyone suggest an easy way to grind/powder my (huge) stash of rolling tobacco (which I no longer will need)?

I think I might try using my espresso machine! Great thought whoever that was.

DVap: Is there a way I can get the details of your process, has that already been detailed somewhere, or is it a secret? ;)
 
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