I have been warming my VG nicotine solution to make it less viscous so I could draw it up into my pipet. I noticed that it turned from clear to clear yellow after I warmed it and was wondering if anybody could tell me why this happens and whether or not it is doing anything bad to the nicotine? To warm it I pored boiling water into a large coffee cup and put the bottle of VG nicotine solution in it for a couple of minutes, am I heating it up too much?
Warming VG Nicotine Solution
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oxidization of the nicotine.
If you just leave the bottle open for a couple days same thing will happen. That's why juices change color over time.
If you just leave the bottle open for a couple days same thing will happen. That's why juices change color over time.
I keep my little 3ml daily bottle on my body (in pants or jacket pocket) to keep the temperature up a little for this very reason. I don't know if I'd go so far as you are because of possible nicotine and plastic breakdown (oxidation?), but I really don't know the risks, if any, in the way you're doing it.
Oxidation huh? I wonder if shaking the bottle vigorously after I heated it up had anything to do with it?
Shaking mixed air bubbles into the VG, so, yes, that helped to oxidize it more quickly. Better to just give it enough time to become warm all the way through.
I place my bottle in a pan with hot water for a few minutes, then change the water to scalding hot and let it set for maybe another 5 minutes, then measure out the VG. I only do this when I'm preparing a large bottle of pre-thinned VG, mixing 4 parts VG with 1 part distilled water. I calculate the new nicotine strength and place a label on the premix bottle.
I place my bottle in a pan with hot water for a few minutes, then change the water to scalding hot and let it set for maybe another 5 minutes, then measure out the VG. I only do this when I'm preparing a large bottle of pre-thinned VG, mixing 4 parts VG with 1 part distilled water. I calculate the new nicotine strength and place a label on the premix bottle.
There is always a little O2 in VG, no matter what you do. Even if you don't shake it up, and introduce more O2, heating it will increase the reaction kinetics of nic + O2, simply because everything is moving around more. Nic oxides are harmless, in general, or no more harmful than nic, and it takes almost zero amounts of oxides to yellow a juice. Yellowing is gonna happen, almost inevitably. Sometimes the color is more pink/rose.
For the viscosity issue, even 5% water helps a ton, and opens the juice up in terms of nic hit and flavor. My juices are all VG based, and I like about 10% water...but sometimes an unthinned VG juice is really great for direct dripping. For cartos, you generally need to thin them a bit.
For the viscosity issue, even 5% water helps a ton, and opens the juice up in terms of nic hit and flavor. My juices are all VG based, and I like about 10% water...but sometimes an unthinned VG juice is really great for direct dripping. For cartos, you generally need to thin them a bit.
Sorry I wasn't very clear about that.
What I meant to say is, does oxidation reduce the nicotines potency?
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