This is a subjective question, but does anyone find that the 'buzz' delivered by different juices of the same nicotine concentration vary quite a bit? I have 2 different juices from the same supplier with the same nicotine concentration and after using one for a few days switched to the other, but the new one seems considerably more potent. Is it possible that flavorings or pg/vg ratio have an effect on the amount of nicotine in the liquid that is vaporized, or somehow interfere with absorption in the lungs?
nicotine concentration vs nicotine delivered
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If there's more PG in one of the juice mixes, you'll get a stronger TH.
And your juices have expiration dates, which are almost never disclosed by suppliers.
Most people say that liquid nicotine has a shelf-life of 12-18 months from the date of it manufacturer, if stored and handled properly.
So if you purchased a juice mix that's been sitting on a supplier's shelf for about 8 months, you can expect your juice will expire shortly after receiving it, depending upon how it was handled.
Why 8 months?
Cuz from the time that the manufacturer actually creates the liquid nicotine, then mixes with PG, VG, flavorings and whatever else....stores it, advertises, sells and then ships to the supplier, can take up to 4 months or less.
So unless you get it fresh off of a supplier's "just arrived" shipment, you can expect that its been sitting...for an undisclosed amount of time.
You'll know when your juice expires though as it will likely cause a headache and the color will darken considerably.
Your absorption question is actually a VERY GOOD question and requires expert advise!!
I don't have any links at the moment and it would take me some time to find the exact answers from an expert in here, cuz the question has been asked prior....but yes, the nicotine absorption ratio is quite different to that of analogs.
Hope this helps for the time being...?
Nobody knows
Judge for yourself
I do think it is POSSIBLE that higher VG may slow or block some of the absorption of nicotine from the vapor. The higher VG vapor helps buffer the irritation and TH of nicotine, so maybe it also buffers the contact with the skin and therefore the absorption. But we don't know.
Judge for yourself
I do think it is POSSIBLE that higher VG may slow or block some of the absorption of nicotine from the vapor. The higher VG vapor helps buffer the irritation and TH of nicotine, so maybe it also buffers the contact with the skin and therefore the absorption. But we don't know.
Dunn if this helps to illuminate but the power of google compels ye!
Absorption of nicotine in vaping versus smoking
E-Cigs and Nicotine Absorption « BWoz Daily
http://www.e-cigarette-forum.com/forum/nicotine/45843-some-notes-nicotine-absorption-addictiveness-maois-4.html
Absorption of nicotine in vaping versus smoking
E-Cigs and Nicotine Absorption « BWoz Daily
http://www.e-cigarette-forum.com/forum/nicotine/45843-some-notes-nicotine-absorption-addictiveness-maois-4.html
Meh. Somewhat. What it really attempts to explain is the difference in delivery of cig vs vape. However it does that quite well (if not scientifically concrete). It seems the difference of base has little effect compared to the method of delivery: carrier particles (ash vs water molecules), % lost atomizing, bodily reception, etc. Taught me a thing or two, I suppose.
But the question is whether Vg reduces absorption, And that is something we don't know. VG does something that reduces the skin irritation and TH of nicotine. Could it actually be preventing the nicotine from contacting absorbing surfaces as much? Interesting question.
Exactly...
I haven't read your links, (or maybe I have?), but I remember reading about what you're describing.
I also remember reading that cigarette manufacturers put all kinds of nasty, harmful chemicals in their "brews" that help increase the absorption ratios so as to hook a user much faster than cigarettes that were made a decade ago (or somewhere along those time lines...).
But the absorption of nicotine from vapor is significantly less than a cigarette, hence why one can vape high-level nicotine juice and not keel over!
I disagree, we do know.
Nicotine vaporizes at a lower temperature than PG or VG.
So it turns into vapor quicker than its carrier base.
(Why your first drag after dripping is so much stronger than your 5th or 6th drag!)
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